diff --git a/test/cases/adding_numbers_at_runtime_and_comptime.0.zig b/test/cases/adding_numbers_at_runtime_and_comptime.0.zig
deleted file mode 100644
index e8c219681348a2456792cffea64853f01c5ab81e..0000000000000000000000000000000000000000
--- a/test/cases/adding_numbers_at_runtime_and_comptime.0.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    add(3, 4);
-}
-
-fn add(a: u32, b: u32) void {
-    if (a + b != 7) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/adding_numbers_at_runtime_and_comptime.1.zig b/test/cases/adding_numbers_at_runtime_and_comptime.1.zig
deleted file mode 100644
index d90dc6884d6960c96c1192d673662f275739d9ce..0000000000000000000000000000000000000000
--- a/test/cases/adding_numbers_at_runtime_and_comptime.1.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() void {
-    if (x - 7 != 0) unreachable;
-}
-
-fn add(a: u32, b: u32) u32 {
-    return a + b;
-}
-
-const x = add(3, 4);
-
-// run
-//
diff --git a/test/cases/adding_numbers_at_runtime_and_comptime.2.zig b/test/cases/adding_numbers_at_runtime_and_comptime.2.zig
deleted file mode 100644
index d6d8755dc3ca614d588dc9ad460e4fb806845941..0000000000000000000000000000000000000000
--- a/test/cases/adding_numbers_at_runtime_and_comptime.2.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() void {
-    var x: usize = 3;
-    _ = &x;
-    const y = add(1, 2, x);
-    if (y - 6 != 0) unreachable;
-}
-
-inline fn add(a: usize, b: usize, c: usize) usize {
-    return a + b + c;
-}
-
-// run
-//
diff --git a/test/cases/arithmetic_operations.0.zig b/test/cases/arithmetic_operations.0.zig
deleted file mode 100644
index ea22e222160f3ab8ff4060c82bb87b0919b35b7d..0000000000000000000000000000000000000000
--- a/test/cases/arithmetic_operations.0.zig
+++ /dev/null
@@ -1,17 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    print(2, 4);
-    print(1, 7);
-}
-
-fn print(a: u32, b: u32) void {
-    const str = "123456789";
-    const len = a + b;
-    _ = std.posix.write(1, str[0..len]) catch {};
-}
-
-// run
-// target=x86_64-linux,x86_64-macos
-//
-// 12345612345678
diff --git a/test/cases/arithmetic_operations.1.zig b/test/cases/arithmetic_operations.1.zig
deleted file mode 100644
index 31f77317d535b82f9f350495129cad321559c0d8..0000000000000000000000000000000000000000
--- a/test/cases/arithmetic_operations.1.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    print(10, 5);
-    print(4, 3);
-}
-
-fn print(a: u32, b: u32) void {
-    const str = "123456789";
-    const len = a - b;
-    _ = std.posix.write(1, str[0..len]) catch {};
-}
-
-// run
-//
-// 123451
diff --git a/test/cases/arithmetic_operations.2.zig b/test/cases/arithmetic_operations.2.zig
deleted file mode 100644
index 4ef5bec8d6bdbf566cb486d72a52a20019d402e1..0000000000000000000000000000000000000000
--- a/test/cases/arithmetic_operations.2.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    print(8, 9);
-    print(3, 7);
-}
-
-fn print(a: u32, b: u32) void {
-    const str = "123456789";
-    const len = a & b;
-    _ = std.posix.write(1, str[0..len]) catch {};
-}
-
-// run
-//
-// 12345678123
diff --git a/test/cases/arithmetic_operations.3.zig b/test/cases/arithmetic_operations.3.zig
deleted file mode 100644
index a16fdbc2d1f5c1f09ee47a3c40f003f523edc0ec..0000000000000000000000000000000000000000
--- a/test/cases/arithmetic_operations.3.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    print(4, 2);
-    print(3, 7);
-}
-
-fn print(a: u32, b: u32) void {
-    const str = "123456789";
-    const len = a | b;
-    _ = std.posix.write(1, str[0..len]) catch {};
-}
-
-// run
-//
-// 1234561234567
diff --git a/test/cases/arithmetic_operations.4.zig b/test/cases/arithmetic_operations.4.zig
deleted file mode 100644
index 5037ad748530846cc073d06c754cd44877e459ef..0000000000000000000000000000000000000000
--- a/test/cases/arithmetic_operations.4.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    print(42, 42);
-    print(3, 5);
-}
-
-fn print(a: u32, b: u32) void {
-    const str = "123456789";
-    const len = a ^ b;
-    _ = std.posix.write(1, str[0..len]) catch {};
-}
-
-// run
-//
-// 123456
diff --git a/test/cases/arithmetic_operations.5.zig b/test/cases/arithmetic_operations.5.zig
deleted file mode 100644
index b1c18ca7da2ffed288f42f414fc64b42e6e552be..0000000000000000000000000000000000000000
--- a/test/cases/arithmetic_operations.5.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-pub fn main() void {
-    var x: u32 = 1;
-    assert(x << 1 == 2);
-
-    x <<= 1;
-    assert(x << 2 == 8);
-    assert(x << 3 == 16);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/arithmetic_operations.6.zig b/test/cases/arithmetic_operations.6.zig
deleted file mode 100644
index e03731173c613aa1f3aaf5b9dd114e076eac6e7c..0000000000000000000000000000000000000000
--- a/test/cases/arithmetic_operations.6.zig
+++ /dev/null
@@ -1,21 +0,0 @@
-pub fn main() void {
-    var a: u32 = 1024;
-    assert(a >> 1 == 512);
-
-    a >>= 1;
-    assert(a >> 2 == 128);
-    assert(a >> 3 == 64);
-    assert(a >> 4 == 32);
-    assert(a >> 5 == 16);
-    assert(a >> 6 == 8);
-    assert(a >> 7 == 4);
-    assert(a >> 8 == 2);
-    assert(a >> 9 == 1);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.0.zig b/test/cases/assert_function.0.zig
deleted file mode 100644
index 7a832e522b32bcdd7c01c712db81d38df913c2a6..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.0.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-pub fn main() void {
-    add(3, 4);
-}
-
-fn add(a: u32, b: u32) void {
-    assert(a + b == 7);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-// target=x86_64-macos,x86_64-linux
-// link_libc=true
diff --git a/test/cases/assert_function.1.zig b/test/cases/assert_function.1.zig
deleted file mode 100644
index ac2df25d8556c661b48a9382d200283073d5d00b..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.1.zig
+++ /dev/null
@@ -1,17 +0,0 @@
-pub fn main() void {
-    add(3, 4);
-}
-
-fn add(a: u32, b: u32) void {
-    const c = a + b; // 7
-    const d = a + c; // 10
-    const e = d + b; // 14
-    assert(e == 14);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.10.zig b/test/cases/assert_function.10.zig
deleted file mode 100644
index b3f1610cd62b71553f20959ef9cf4cec51d8f498..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.10.zig
+++ /dev/null
@@ -1,27 +0,0 @@
-pub fn main() void {
-    assert(add(3, 4) == 116);
-}
-
-fn add(a: u32, b: u32) u32 {
-    const x: u32 = blk: {
-        const c = a + b; // 7
-        const d = a + c; // 10
-        const e = d + b; // 14
-        const f = d + e; // 24
-        const g = e + f; // 38
-        const h = f + g; // 62
-        const i = g + h; // 100
-        const j = i + d; // 110
-        break :blk j;
-    };
-    const y = x + a; // 113
-    const z = y + a; // 116
-    return z;
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.11.zig b/test/cases/assert_function.11.zig
deleted file mode 100644
index d64130a6775b250ca18a5900e912391dc732a7f7..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.11.zig
+++ /dev/null
@@ -1,66 +0,0 @@
-pub fn main() void {
-    assert(add(3, 4) == 1221);
-    assert(mul(3, 4) == 21609);
-}
-
-fn add(a: u32, b: u32) u32 {
-    const x: u32 = blk: {
-        const c = a + b; // 7
-        const d = a + c; // 10
-        const e = d + b; // 14
-        const f = d + e; // 24
-        const g = e + f; // 38
-        const h = f + g; // 62
-        const i = g + h; // 100
-        const j = i + d; // 110
-        const k = i + j; // 210
-        const l = j + k; // 320
-        const m = l + c; // 327
-        const n = m + d; // 337
-        const o = n + e; // 351
-        const p = o + f; // 375
-        const q = p + g; // 413
-        const r = q + h; // 475
-        const s = r + i; // 575
-        const t = s + j; // 685
-        const u = t + k; // 895
-        const v = u + l; // 1215
-        break :blk v;
-    };
-    const y = x + a; // 1218
-    const z = y + a; // 1221
-    return z;
-}
-
-fn mul(a: u32, b: u32) u32 {
-    const x: u32 = blk: {
-        const c = a * a * a * a; // 81
-        const d = a * a * a * b; // 108
-        const e = a * a * b * a; // 108
-        const f = a * a * b * b; // 144
-        const g = a * b * a * a; // 108
-        const h = a * b * a * b; // 144
-        const i = a * b * b * a; // 144
-        const j = a * b * b * b; // 192
-        const k = b * a * a * a; // 108
-        const l = b * a * a * b; // 144
-        const m = b * a * b * a; // 144
-        const n = b * a * b * b; // 192
-        const o = b * b * a * a; // 144
-        const p = b * b * a * b; // 192
-        const q = b * b * b * a; // 192
-        const r = b * b * b * b; // 256
-        const s = c + d + e + f + g + h + i + j + k + l + m + n + o + p + q + r; // 2401
-        break :blk s;
-    };
-    const y = x * a; // 7203
-    const z = y * a; // 21609
-    return z;
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.12.zig b/test/cases/assert_function.12.zig
deleted file mode 100644
index 4f64c1e0626879a2004d66080292dc7cf962065d..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.12.zig
+++ /dev/null
@@ -1,47 +0,0 @@
-pub fn main() void {
-    assert(add(3, 4) == 791);
-    assert(add(4, 3) == 79);
-}
-
-fn add(a: u32, b: u32) u32 {
-    const x: u32 = if (a < b) blk: {
-        const c = a + b; // 7
-        const d = a + c; // 10
-        const e = d + b; // 14
-        const f = d + e; // 24
-        const g = e + f; // 38
-        const h = f + g; // 62
-        const i = g + h; // 100
-        const j = i + d; // 110
-        const k = i + j; // 210
-        const l = k + c; // 217
-        const m = l + d; // 227
-        const n = m + e; // 241
-        const o = n + f; // 265
-        const p = o + g; // 303
-        const q = p + h; // 365
-        const r = q + i; // 465
-        const s = r + j; // 575
-        const t = s + k; // 785
-        break :blk t;
-    } else blk: {
-        const t = b + b + a; // 10
-        const c = a + t; // 14
-        const d = c + t; // 24
-        const e = d + t; // 34
-        const f = e + t; // 44
-        const g = f + t; // 54
-        const h = c + g; // 68
-        break :blk h + b; // 71
-    };
-    const y = x + a; // 788, 75
-    const z = y + a; // 791, 79
-    return z;
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.13.zig b/test/cases/assert_function.13.zig
deleted file mode 100644
index 240abf0108dbe8c08040533524872e543fd6d621..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.13.zig
+++ /dev/null
@@ -1,19 +0,0 @@
-pub fn main() void {
-    const ignore =
-        \\ cool thx
-        \\
-    ;
-    _ = ignore;
-    add('ぁ', '\x03');
-}
-
-fn add(a: u32, b: u32) void {
-    assert(a + b == 12356);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.14.zig b/test/cases/assert_function.14.zig
deleted file mode 100644
index d25100dccee2bda1f615c2d870ee477c1252bed3..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.14.zig
+++ /dev/null
@@ -1,17 +0,0 @@
-pub fn main() void {
-    add(aa, bb);
-}
-
-const aa = 'ぁ';
-const bb = '\x03';
-
-fn add(a: u32, b: u32) void {
-    assert(a + b == 12356);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.15.zig b/test/cases/assert_function.15.zig
deleted file mode 100644
index 33ae1ed5af1279b74f089003e7b9665b55c2489b..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.15.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    assert("hello"[0] == 'h');
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.16.zig b/test/cases/assert_function.16.zig
deleted file mode 100644
index eef113642324434c4af1723aac512a57192ce726..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.16.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-const hello = "hello".*;
-pub fn main() void {
-    assert(hello[1] == 'e');
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.17.zig b/test/cases/assert_function.17.zig
deleted file mode 100644
index 01c4a5ca3cbe016f2fcf75688b7d7dc1cbd95d1f..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.17.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() void {
-    var i: u64 = 0xFFEEDDCCBBAA9988;
-    _ = &i;
-    assert(i == 0xFFEEDDCCBBAA9988);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.18.zig b/test/cases/assert_function.18.zig
deleted file mode 100644
index ac0f97c40f89e0ee57080acffd03d5ecb51ac79d..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.18.zig
+++ /dev/null
@@ -1,20 +0,0 @@
-const builtin = @import("builtin");
-
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    for ("hello") |_| print();
-}
-
-fn print() void {
-    _ = write(1, @intFromPtr("hello\n"), 6);
-}
-
-// run
-//
-// hello
-// hello
-// hello
-// hello
-// hello
-//
diff --git a/test/cases/assert_function.2.zig b/test/cases/assert_function.2.zig
deleted file mode 100644
index 8c1c510486185f4116841577473c901e13528283..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.2.zig
+++ /dev/null
@@ -1,21 +0,0 @@
-pub fn main() void {
-    add(3, 4);
-}
-
-fn add(a: u32, b: u32) void {
-    const c = a + b; // 7
-    const d = a + c; // 10
-    const e = d + b; // 14
-    const f = d + e; // 24
-    const g = e + f; // 38
-    const h = f + g; // 62
-    const i = g + h; // 100
-    assert(i == 100);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.3.zig b/test/cases/assert_function.3.zig
deleted file mode 100644
index a6829f8e0239f8c01f0a1e4e1cf42e9ed035176b..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.3.zig
+++ /dev/null
@@ -1,22 +0,0 @@
-pub fn main() void {
-    add(3, 4);
-}
-
-fn add(a: u32, b: u32) void {
-    const c = a + b; // 7
-    const d = a + c; // 10
-    const e = d + b; // 14
-    const f = d + e; // 24
-    const g = e + f; // 38
-    const h = f + g; // 62
-    const i = g + h; // 100
-    const j = i + d; // 110
-    assert(j == 110);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.4.zig b/test/cases/assert_function.4.zig
deleted file mode 100644
index 69df4354c3eb8d72d4c91b226fbf4b4c0eddedaf..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.4.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-pub fn main() void {
-    assert(add(3, 4) == 7);
-    assert(add(20, 10) == 30);
-}
-
-fn add(a: u32, b: u32) u32 {
-    return a + b;
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.5.zig b/test/cases/assert_function.5.zig
deleted file mode 100644
index 89f3f7df4fd3f42da6650c27dff3c8160b281860..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.5.zig
+++ /dev/null
@@ -1,19 +0,0 @@
-pub fn main() void {
-    assert(add(3, 4) == 7);
-    assert(add(20, 10) == 30);
-}
-
-fn add(a: u32, b: u32) u32 {
-    var x: u32 = undefined;
-    x = 0;
-    x += a;
-    x += b;
-    return x;
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/assert_function.6.zig b/test/cases/assert_function.6.zig
deleted file mode 100644
index 1b1b75e68ea72902208bd0889c38202922b89a51..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.6.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    const a: u32 = 2;
-    const b: ?u32 = a;
-    const c = b.?;
-    if (c != 2) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/assert_function.7.zig b/test/cases/assert_function.7.zig
deleted file mode 100644
index 9db604d3b9c0026b7028d94dfd6e05f9c7802565..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.7.zig
+++ /dev/null
@@ -1,23 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    var i: u32 = 0;
-    while (i < 4) : (i += 1) print();
-    assert(i == 4);
-}
-
-fn print() void {
-    _ = write(1, @intFromPtr("hello\n"), 6);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
-// hello
-// hello
-// hello
-// hello
-//
diff --git a/test/cases/assert_function.8.zig b/test/cases/assert_function.8.zig
deleted file mode 100644
index 02b486a8cb2bc39da71f8ef7c27909c4dcbc23d2..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.8.zig
+++ /dev/null
@@ -1,20 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    var i: u32 = 0;
-    inline while (i < 4) : (i += 1) print();
-    assert(i == 4);
-}
-
-fn print() void {
-    _ = write(1, @intFromPtr("hello\n"), 6);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// error
-//
-// :5:21: error: unable to resolve comptime value
-// :5:21: note: condition in comptime branch must be comptime-known
diff --git a/test/cases/assert_function.9.zig b/test/cases/assert_function.9.zig
deleted file mode 100644
index c754bb771133d8b3a595ec9fe46c48c4c6408e61..0000000000000000000000000000000000000000
--- a/test/cases/assert_function.9.zig
+++ /dev/null
@@ -1,22 +0,0 @@
-pub fn main() void {
-    assert(add(3, 4) == 20);
-}
-
-fn add(a: u32, b: u32) u32 {
-    const x: u32 = blk: {
-        const c = a + b; // 7
-        const d = a + c; // 10
-        const e = d + b; // 14
-        break :blk e;
-    };
-    const y = x + a; // 17
-    const z = y + a; // 20
-    return z;
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.0.zig b/test/cases/binary_operands.0.zig
deleted file mode 100644
index e3688232aa27c190ecfcbab4f4ea734093156d98..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.0.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i: u8 = 5;
-    i += 20;
-    if (i != 25) unreachable;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/binary_operands.1.zig b/test/cases/binary_operands.1.zig
deleted file mode 100644
index 2b244b194a8b695934c4917d14e137414d4b0b15..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.1.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i: i32 = 2147483647;
-    _ = &i;
-    if (i +% 1 != -2147483648) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.10.zig b/test/cases/binary_operands.10.zig
deleted file mode 100644
index 721a9217437bcf92dfb9d5f859d3ac53f91def9e..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.10.zig
+++ /dev/null
@@ -1,14 +0,0 @@
-pub fn main() void {
-    var i: u32 = 5;
-    i *= 7;
-    var result: u32 = foo(i, 10);
-    _ = &result;
-    if (result != 350) unreachable;
-    return;
-}
-fn foo(x: u32, y: u32) u32 {
-    return x * y;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.11.zig b/test/cases/binary_operands.11.zig
deleted file mode 100644
index f6a87551781872317d72c17a6b74bbd8b1f258b5..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.11.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    var i: i32 = 2147483647;
-    _ = &i;
-    const result = i *% 2;
-    if (result != -2) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.12.zig b/test/cases/binary_operands.12.zig
deleted file mode 100644
index d8b369764fb38b5e12a7379cdbdae1979b1386f7..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.12.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i: u3 = 3;
-    _ = &i;
-    if (i *% 3 != 1) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.13.zig b/test/cases/binary_operands.13.zig
deleted file mode 100644
index 680d82a91985140dfdb4c071e0d3b3504b7b0bee..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.13.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i: i4 = 3;
-    _ = &i;
-    if (i *% 3 != -7) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.14.zig b/test/cases/binary_operands.14.zig
deleted file mode 100644
index aa1d62bcde45beffdd81be488d2773e378e766d8..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.14.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() void {
-    var i: u32 = 352;
-    i /= 7; // i = 50
-    const result: u32 = foo(i, 7);
-    if (result != 7) unreachable;
-    return;
-}
-fn foo(x: u32, y: u32) u32 {
-    return x / y;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.15.zig b/test/cases/binary_operands.15.zig
deleted file mode 100644
index c709e5dfd2327111b9ea86deaa341e12d148df0e..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.15.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    i &= 6;
-    return i - 4;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.16.zig b/test/cases/binary_operands.16.zig
deleted file mode 100644
index fe1813b8772784ea7a9617f755223f0ed34fefb1..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.16.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    i |= 6;
-    return i - 7;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.17.zig b/test/cases/binary_operands.17.zig
deleted file mode 100644
index 439d3d6d6b59699ca309a7705ac83b312fd33b9b..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.17.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    i ^= 6;
-    return i - 3;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.18.zig b/test/cases/binary_operands.18.zig
deleted file mode 100644
index c21aa586c555e8fd882ba31a0bbbe5169e6ff5e0..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.18.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = false;
-    b = b or false;
-    if (b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.19.zig b/test/cases/binary_operands.19.zig
deleted file mode 100644
index e95470391cf1bec9d9412b1b4156eb26d77669f7..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.19.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = true;
-    b = b or false;
-    if (!b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.2.zig b/test/cases/binary_operands.2.zig
deleted file mode 100644
index 5b08fecc04482d097242cb0b3736396baaafecbe..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.2.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i: i4 = 7;
-    _ = &i;
-    if (i +% 1 != -8) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.20.zig b/test/cases/binary_operands.20.zig
deleted file mode 100644
index 9238bf97c04ed9e5dbb0cc98634eecf96de9fa40..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.20.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = false;
-    b = b or true;
-    if (!b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.21.zig b/test/cases/binary_operands.21.zig
deleted file mode 100644
index a2d427bda9d66dbdcb59d300ffbab4e1a6af9076..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.21.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = true;
-    b = b or true;
-    if (!b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.22.zig b/test/cases/binary_operands.22.zig
deleted file mode 100644
index aa8439a36189db87ef416602872feb38a3b17993..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.22.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = false;
-    b = b and false;
-    if (b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.23.zig b/test/cases/binary_operands.23.zig
deleted file mode 100644
index 8596ea77098058f4d23bab966d0cad540704df09..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.23.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = true;
-    b = b and false;
-    if (b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.24.zig b/test/cases/binary_operands.24.zig
deleted file mode 100644
index 08dc4430a2298ea934e15c140c9aa0f6d65b7603..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.24.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = false;
-    b = b and true;
-    if (b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.25.zig b/test/cases/binary_operands.25.zig
deleted file mode 100644
index 8aa0acfdb558d082ea40c2533b30502315aa59e3..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.25.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var b: bool = true;
-    b = b and true;
-    if (!b) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.3.zig b/test/cases/binary_operands.3.zig
deleted file mode 100644
index 75d78d522a6de9d6bb550de5e99ed4dfb10c40dc..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.3.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 255;
-    _ = &i;
-    return i +% 1;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.4.zig b/test/cases/binary_operands.4.zig
deleted file mode 100644
index b3fd9fc289aeb8084d239fe4bef28fb832975cc3..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.4.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    i += 20;
-    const result: u8 = foo(i, 10);
-    return result - 35;
-}
-fn foo(x: u8, y: u8) u8 {
-    return x + y;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.5.zig b/test/cases/binary_operands.5.zig
deleted file mode 100644
index 51ab437475684082b941075aa3ba636f7985977a..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.5.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 20;
-    i -= 5;
-    return i - 15;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.6.zig b/test/cases/binary_operands.6.zig
deleted file mode 100644
index b6e04e609e57ce5c1e4dead30ee174c0af87a427..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.6.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i: i32 = -2147483648;
-    _ = &i;
-    if (i -% 1 != 2147483647) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.7.zig b/test/cases/binary_operands.7.zig
deleted file mode 100644
index ae69df2c550908835e281571e0d9bd89690c87e9..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.7.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i: i7 = -64;
-    _ = &i;
-    if (i -% 1 != 63) unreachable;
-    return;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.8.zig b/test/cases/binary_operands.8.zig
deleted file mode 100644
index fb2741cab6d9161c01aabc18e0f5c41a40dee315..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.8.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() void {
-    var i: u4 = 0;
-    _ = &i;
-    if (i -% 1 != 15) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/binary_operands.9.zig b/test/cases/binary_operands.9.zig
deleted file mode 100644
index a9d62b96e340506748f0e320e6063d81f2378686..0000000000000000000000000000000000000000
--- a/test/cases/binary_operands.9.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    i -= 3;
-    var result: u8 = foo(i, 10);
-    _ = &result;
-    return result - 8;
-}
-fn foo(x: u8, y: u8) u8 {
-    return y - x;
-}
-
-// run
-//
diff --git a/test/cases/break_continue.0.zig b/test/cases/break_continue.0.zig
deleted file mode 100644
index 6684bcb0d09e1d48c65bbfee75254d27833042cb..0000000000000000000000000000000000000000
--- a/test/cases/break_continue.0.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    while (true) {
-        break;
-    }
-}
-
-// run
-// target=x86_64-linux,x86_64-macos
-//
diff --git a/test/cases/break_continue.1.zig b/test/cases/break_continue.1.zig
deleted file mode 100644
index 9e4f79bd14d7a1340b9fcbc02c271790c642bd07..0000000000000000000000000000000000000000
--- a/test/cases/break_continue.1.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() void {
-    foo: while (true) {
-        break :foo;
-    }
-}
-
-// run
-//
diff --git a/test/cases/break_continue.2.zig b/test/cases/break_continue.2.zig
deleted file mode 100644
index ba12f33e3f05b3419a5f3f84631e3d52a3ce9eec..0000000000000000000000000000000000000000
--- a/test/cases/break_continue.2.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    var i: u64 = 0;
-    while (true) : (i += 1) {
-        if (i == 4) return;
-        continue;
-    }
-}
-
-// run
-//
diff --git a/test/cases/break_continue.3.zig b/test/cases/break_continue.3.zig
deleted file mode 100644
index 03e224d26545d7c8d67617dd0a4fb609b6d80405..0000000000000000000000000000000000000000
--- a/test/cases/break_continue.3.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    var i: u64 = 0;
-    foo: while (true) : (i += 1) {
-        if (i == 4) return;
-        continue :foo;
-    }
-}
-
-// run
-//
diff --git a/test/cases/catch_at_comptime.0.zig b/test/cases/catch_at_comptime.0.zig
deleted file mode 100644
index af1545832dee3b3e558a463ebf9ac75ad36b346e..0000000000000000000000000000000000000000
--- a/test/cases/catch_at_comptime.0.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    const i: anyerror!u64 = 0;
-    const caught = i catch 5;
-    assert(caught == 0);
-}
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/catch_at_comptime.1.zig b/test/cases/catch_at_comptime.1.zig
deleted file mode 100644
index e05caeae6d9f058b730777d4868e85850dd776c5..0000000000000000000000000000000000000000
--- a/test/cases/catch_at_comptime.1.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    const i: anyerror!u64 = error.B;
-    const caught = i catch 5;
-    assert(caught == 5);
-}
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/catch_at_comptime.2.zig b/test/cases/catch_at_comptime.2.zig
deleted file mode 100644
index 326e6f0b61a4c8a651130c6767a72d77617506a6..0000000000000000000000000000000000000000
--- a/test/cases/catch_at_comptime.2.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    const a: anyerror!comptime_int = 42;
-    const b: *const comptime_int = &(a catch unreachable);
-    assert(b.* == 42);
-}
-fn assert(b: bool) void {
-    if (!b) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/catch_at_comptime.3.zig b/test/cases/catch_at_comptime.3.zig
deleted file mode 100644
index d00317f697426e19c149abb0e89ae171d0427f45..0000000000000000000000000000000000000000
--- a/test/cases/catch_at_comptime.3.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    const a: anyerror!u32 = error.B;
-    _ = &(a catch |err| assert(err == error.B));
-}
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/catch_at_comptime.4.zig b/test/cases/catch_at_comptime.4.zig
deleted file mode 100644
index 57cb602641ded47982e332f2fbe5f484fa64363f..0000000000000000000000000000000000000000
--- a/test/cases/catch_at_comptime.4.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    const a: anyerror!u32 = error.Bar;
-    a catch |err| assert(err == error.Bar);
-}
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/compile_log.0.zig b/test/cases/compile_log.0.zig
deleted file mode 100644
index 07b7c715511adbe0517922489c2246c9ea41b891..0000000000000000000000000000000000000000
--- a/test/cases/compile_log.0.zig
+++ /dev/null
@@ -1,22 +0,0 @@
-export fn _start() noreturn {
-    const b = true;
-    var f: u32 = 1;
-    @compileLog(b, 20, f, x);
-    @compileLog(1000);
-    var bruh: usize = true;
-    _ = .{ &f, &bruh };
-    unreachable;
-}
-export fn other() void {
-    @compileLog(1234);
-}
-fn x() void {}
-
-// error
-//
-// :6:23: error: expected type 'usize', found 'bool'
-//
-// Compile Log Output:
-// @as(bool, true), @as(comptime_int, 20), @as(u32, [runtime value]), @as(fn () void, (function 'x'))
-// @as(comptime_int, 1000)
-// @as(comptime_int, 1234)
diff --git a/test/cases/compile_log.1.zig b/test/cases/compile_log.1.zig
deleted file mode 100644
index fa3e93bfbf1e3200edeb853ebe0cde9d872efbf4..0000000000000000000000000000000000000000
--- a/test/cases/compile_log.1.zig
+++ /dev/null
@@ -1,21 +0,0 @@
-export fn _start() noreturn {
-    const b = true;
-    var f: u32 = 1;
-    _ = &f;
-    @compileLog(b, 20, f, x);
-    @compileLog(1000);
-    unreachable;
-}
-export fn other() void {
-    @compileLog(1234);
-}
-fn x() void {}
-
-// error
-//
-// :9:5: error: found compile log statement
-// :4:5: note: also here
-//
-// Compile Log Output:
-// @as(bool, true), @as(comptime_int, 20), @as(u32, [runtime value]), @as(fn () void, (function 'x'))
-// @as(comptime_int, 1000)
diff --git a/test/cases/comptime_var.0.zig b/test/cases/comptime_var.0.zig
deleted file mode 100644
index 7044e0fb2a935f6b2c8b3cb79688a3f517974825..0000000000000000000000000000000000000000
--- a/test/cases/comptime_var.0.zig
+++ /dev/null
@@ -1,14 +0,0 @@
-pub fn main() void {
-    var a: u32 = 0;
-    _ = &a;
-    comptime var b: u32 = 0;
-    if (a == 0) b = 3;
-}
-
-// error
-// output_mode=Exe
-// target=x86_64-macos,x86_64-linux
-// link_libc=true
-//
-// :5:19: error: store to comptime variable depends on runtime condition
-// :5:11: note: runtime condition here
diff --git a/test/cases/comptime_var.1.zig b/test/cases/comptime_var.1.zig
deleted file mode 100644
index d914ab45b54fe4340402eee07287fb08f476fcdd..0000000000000000000000000000000000000000
--- a/test/cases/comptime_var.1.zig
+++ /dev/null
@@ -1,14 +0,0 @@
-pub fn main() void {
-    var a: u32 = 0;
-    _ = &a;
-    comptime var b: u32 = 0;
-    switch (a) {
-        0 => {},
-        else => b = 3,
-    }
-}
-
-// error
-//
-// :6:19: error: store to comptime variable depends on runtime condition
-// :4:13: note: runtime condition here
diff --git a/test/cases/comptime_var.2.zig b/test/cases/comptime_var.2.zig
deleted file mode 100644
index 2d717cb802b29e2585b3277a63ba0c6607d68770..0000000000000000000000000000000000000000
--- a/test/cases/comptime_var.2.zig
+++ /dev/null
@@ -1,17 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    comptime var len: u32 = 5;
-    print(len);
-    len += 9;
-    print(len);
-}
-
-fn print(len: usize) void {
-    _ = write(1, @intFromPtr("Hello, World!\n"), len);
-}
-
-// run
-//
-// HelloHello, World!
-//
diff --git a/test/cases/comptime_var.3.zig b/test/cases/comptime_var.3.zig
deleted file mode 100644
index 5d25d6556e4f378d4288acda9ceffcb19397230f..0000000000000000000000000000000000000000
--- a/test/cases/comptime_var.3.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-comptime {
-    var x: i32 = 1;
-    x += 1;
-    if (x != 1) unreachable;
-}
-pub fn main() void {}
-
-// error
-//
-// :4:17: error: reached unreachable code
diff --git a/test/cases/comptime_var.4.zig b/test/cases/comptime_var.4.zig
deleted file mode 100644
index 74da6ef448edd5534b49b1f850673863b4188b99..0000000000000000000000000000000000000000
--- a/test/cases/comptime_var.4.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    comptime var i: u64 = 0;
-    while (i < 5) : (i += 1) {}
-}
-
-// error
-//
-// :3:24: error: cannot store to comptime variable in non-inline loop
-// :3:5: note: non-inline loop here
diff --git a/test/cases/comptime_var.5.zig b/test/cases/comptime_var.5.zig
deleted file mode 100644
index bd3d878fa7e6ad1993b181c259393f1f7096fb71..0000000000000000000000000000000000000000
--- a/test/cases/comptime_var.5.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-pub fn main() void {
-    var a: u32 = 0;
-    _ = &a;
-    if (a == 0) {
-        comptime var b: u32 = 0;
-        b = 1;
-    }
-}
-comptime {
-    var x: i32 = 1;
-    x += 1;
-    if (x != 2) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/comptime_var.6.zig b/test/cases/comptime_var.6.zig
deleted file mode 100644
index d4e96106bb1bb2dd5e1a27d055844648e58e6b47..0000000000000000000000000000000000000000
--- a/test/cases/comptime_var.6.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    comptime var i: u64 = 2;
-    inline while (i < 6) : (i += 1) {
-        print(i);
-    }
-}
-fn print(len: usize) void {
-    _ = write(1, @intFromPtr("Hello"), len);
-}
-
-// run
-//
-// HeHelHellHello
diff --git a/test/cases/conditional_branches.0.zig b/test/cases/conditional_branches.0.zig
deleted file mode 100644
index d1fce95b2cd9e3960ed5fe0c238a68aa6c219c8e..0000000000000000000000000000000000000000
--- a/test/cases/conditional_branches.0.zig
+++ /dev/null
@@ -1,23 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    foo(123);
-}
-
-fn foo(x: u64) void {
-    if (x > 42) {
-        print();
-    }
-}
-
-fn print() void {
-    const str = "Hello, World!\n";
-    _ = write(1, @intFromPtr(str.ptr), ptr.len);
-}
-
-// run
-// target=x86_64-linux,x86_64-macos
-// link_libc=true
-//
-// Hello, World!
-//
diff --git a/test/cases/conditional_branches.1.zig b/test/cases/conditional_branches.1.zig
deleted file mode 100644
index f402cd3bd499e99f79844f2dece95b9dabcd11dd..0000000000000000000000000000000000000000
--- a/test/cases/conditional_branches.1.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    foo(true);
-}
-
-fn foo(x: bool) void {
-    if (x) {
-        print();
-        print();
-    } else {
-        print();
-    }
-}
-
-fn print() void {
-    const str = "Hello, World!\n";
-    _ = write(1, @intFromPtr(str.ptr), ptr.len);
-}
-
-// run
-//
-// Hello, World!
-// Hello, World!
-//
diff --git a/test/cases/conditions.0.zig b/test/cases/conditions.0.zig
deleted file mode 100644
index 1167ea85a4413757b8d481b1d672703b2a2ebd2f..0000000000000000000000000000000000000000
--- a/test/cases/conditions.0.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    if (i > @as(u8, 4)) {
-        i += 10;
-    }
-    return i - 15;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/conditions.1.zig b/test/cases/conditions.1.zig
deleted file mode 100644
index f9f03808b97a134f78276875979f483e8ad317e5..0000000000000000000000000000000000000000
--- a/test/cases/conditions.1.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    if (i < @as(u8, 4)) {
-        i += 10;
-    } else {
-        i = 2;
-    }
-    return i - 2;
-}
-
-// run
-//
diff --git a/test/cases/conditions.2.zig b/test/cases/conditions.2.zig
deleted file mode 100644
index a80ead9ea54084317c55da133d91bf72f305909f..0000000000000000000000000000000000000000
--- a/test/cases/conditions.2.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 5;
-    if (i < @as(u8, 4)) {
-        i += 10;
-    } else if (i == @as(u8, 5)) {
-        i = 20;
-    }
-    return i - 20;
-}
-
-// run
-//
diff --git a/test/cases/conditions.3.zig b/test/cases/conditions.3.zig
deleted file mode 100644
index bd016a47f3c78ec39512ad91d0cd373f35a8bed2..0000000000000000000000000000000000000000
--- a/test/cases/conditions.3.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 11;
-    if (i < @as(u8, 4)) {
-        i += 10;
-    } else {
-        if (i > @as(u8, 10)) {
-            i += 20;
-        } else {
-            i = 20;
-        }
-    }
-    return i - 31;
-}
-
-// run
-//
diff --git a/test/cases/conditions.4.zig b/test/cases/conditions.4.zig
deleted file mode 100644
index e1bd9ce0f7b6b397c997f416143b0eac10ac7551..0000000000000000000000000000000000000000
--- a/test/cases/conditions.4.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-pub fn main() void {
-    assert(foo(true) != @as(i32, 30));
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-fn foo(ok: bool) i32 {
-    const x = if (ok) @as(i32, 20) else @as(i32, 10);
-    return x;
-}
-
-// run
-//
diff --git a/test/cases/conditions.5.zig b/test/cases/conditions.5.zig
deleted file mode 100644
index 9b2dfdb58e26689fa4966cd9aaffb67320c37314..0000000000000000000000000000000000000000
--- a/test/cases/conditions.5.zig
+++ /dev/null
@@ -1,21 +0,0 @@
-pub fn main() void {
-    assert(foo(false) == @as(i32, 20));
-    assert(foo(true) == @as(i32, 30));
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-fn foo(ok: bool) i32 {
-    const val: i32 = blk: {
-        var x: i32 = 1;
-        _ = &x;
-        if (!ok) break :blk x + @as(i32, 9);
-        break :blk x + @as(i32, 19);
-    };
-    return val + 10;
-}
-
-// run
-//
diff --git a/test/cases/double_ampersand.0.zig b/test/cases/double_ampersand.0.zig
deleted file mode 100644
index b14c30ecb01225e88025b6e0cb1aa7c25c69f1ed..0000000000000000000000000000000000000000
--- a/test/cases/double_ampersand.0.zig
+++ /dev/null
@@ -1,6 +0,0 @@
-pub const a = if (true && false) 1 else 2;
-
-// error
-// output_mode=Exe
-//
-// :1:24: error: ambiguous use of '&&'; use 'and' for logical AND, or change whitespace to ' & &' for bitwise AND
diff --git a/test/cases/double_ampersand.1.zig b/test/cases/double_ampersand.1.zig
deleted file mode 100644
index cd5bba02fdaa14bd47cc3d1332854865e9aaea49..0000000000000000000000000000000000000000
--- a/test/cases/double_ampersand.1.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    const a = true;
-    const b = false;
-    _ = a & &b;
-}
-
-// error
-//
-// :4:11: error: incompatible types: 'bool' and '*const bool'
-// :4:9: note: type 'bool' here
-// :4:13: note: type '*const bool' here
diff --git a/test/cases/double_ampersand.2.zig b/test/cases/double_ampersand.2.zig
deleted file mode 100644
index c6f461d66126f07c9808aacf5160615fc36d7917..0000000000000000000000000000000000000000
--- a/test/cases/double_ampersand.2.zig
+++ /dev/null
@@ -1,7 +0,0 @@
-pub fn main() void {
-    const b: u8 = 1;
-    _ = &&b;
-}
-
-// run
-//
diff --git a/test/cases/enum_values.0.zig b/test/cases/enum_values.0.zig
deleted file mode 100644
index 3e4ee609251af90712ead0f7d917f3801e37f982..0000000000000000000000000000000000000000
--- a/test/cases/enum_values.0.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-const Number = enum { One, Two, Three };
-
-pub fn main() void {
-    var number1 = Number.One;
-    var number2: Number = .Two;
-    if (false) {
-        &number1;
-        &number2;
-    }
-    const number3: Number = @enumFromInt(2);
-    if (@intFromEnum(number3) != 2) {
-        unreachable;
-    }
-    return;
-}
-
-// run
-//
diff --git a/test/cases/enum_values.1.zig b/test/cases/enum_values.1.zig
deleted file mode 100644
index 7679a8736181df789c317d34a0872f5705f521cd..0000000000000000000000000000000000000000
--- a/test/cases/enum_values.1.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-const Number = enum { One, Two, Three };
-
-pub fn main() void {
-    var number1 = Number.One;
-    _ = &number1;
-    var number2: Number = .Two;
-    _ = &number2;
-    const number3: Number = @enumFromInt(2);
-    assert(number1 != number2);
-    assert(number2 != number3);
-    assert(@intFromEnum(number1) == 0);
-    assert(@intFromEnum(number2) == 1);
-    assert(@intFromEnum(number3) == 2);
-    var x: Number = .Two;
-    _ = &x;
-    assert(number2 == x);
-
-    return;
-}
-fn assert(val: bool) void {
-    if (!val) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/error_unions.0.zig b/test/cases/error_unions.0.zig
deleted file mode 100644
index 89646e468105c10f79eb56ac585a943d9e59ec56..0000000000000000000000000000000000000000
--- a/test/cases/error_unions.0.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-pub fn main() void {
-    var e1 = error.Foo;
-    var e2 = error.Bar;
-    _ = .{ &e1, &e2 };
-    assert(e1 != e2);
-    assert(e1 == error.Foo);
-    assert(e2 == error.Bar);
-}
-
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/error_unions.1.zig b/test/cases/error_unions.1.zig
deleted file mode 100644
index 792bc88412c62132e920699501abbb7d741747ad..0000000000000000000000000000000000000000
--- a/test/cases/error_unions.1.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() u8 {
-    var e: anyerror!u8 = 5;
-    _ = &e;
-    const i = e catch 10;
-    return i - 5;
-}
-
-// run
-//
diff --git a/test/cases/error_unions.2.zig b/test/cases/error_unions.2.zig
deleted file mode 100644
index cc61263aa7d6d5e8ff564c79941e33af2af67afa..0000000000000000000000000000000000000000
--- a/test/cases/error_unions.2.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() u8 {
-    var e: anyerror!u8 = error.Foo;
-    _ = &e;
-    const i = e catch 10;
-    return i - 10;
-}
-
-// run
-//
diff --git a/test/cases/error_unions.3.zig b/test/cases/error_unions.3.zig
deleted file mode 100644
index 2661e3bc1921af305a003be488636bee1c480ed4..0000000000000000000000000000000000000000
--- a/test/cases/error_unions.3.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() u8 {
-    var e = foo();
-    _ = &e;
-    const i = e catch 69;
-    return i - 5;
-}
-
-fn foo() anyerror!u8 {
-    return 5;
-}
-
-// run
-//
diff --git a/test/cases/error_unions.4.zig b/test/cases/error_unions.4.zig
deleted file mode 100644
index d6d121e1d6c29491f554f79b65567e3db8b3db74..0000000000000000000000000000000000000000
--- a/test/cases/error_unions.4.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() u8 {
-    var e = foo();
-    _ = &e;
-    const i = e catch 69;
-    return i - 69;
-}
-
-fn foo() anyerror!u8 {
-    return error.Bruh;
-}
-
-// run
-//
diff --git a/test/cases/error_unions.5.zig b/test/cases/error_unions.5.zig
deleted file mode 100644
index 0204cef9265b752da7d52ace190c9762f2e91b3f..0000000000000000000000000000000000000000
--- a/test/cases/error_unions.5.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() u8 {
-    var e = foo();
-    _ = &e;
-    const i = e catch 42;
-    return i - 42;
-}
-
-fn foo() anyerror!u8 {
-    return error.Dab;
-}
-
-// run
-//
diff --git a/test/cases/errors.0.zig b/test/cases/errors.0.zig
deleted file mode 100644
index f61ebc42b7bcd2e965493ca2e8121496e8ace100..0000000000000000000000000000000000000000
--- a/test/cases/errors.0.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    foo() catch print();
-}
-
-fn foo() anyerror!void {}
-
-fn print() void {
-    _ = std.posix.write(1, "Hello, World!\n") catch {};
-}
-
-// run
-// target=x86_64-macos
-//
diff --git a/test/cases/errors.1.zig b/test/cases/errors.1.zig
deleted file mode 100644
index ead3262f8420bf7bb043c7510a1578ee5374af0d..0000000000000000000000000000000000000000
--- a/test/cases/errors.1.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    foo() catch print();
-}
-
-fn foo() anyerror!void {
-    return error.Test;
-}
-
-fn print() void {
-    _ = std.posix.write(1, "Hello, World!\n") catch {};
-}
-
-// run
-//
-// Hello, World!
-//
diff --git a/test/cases/errors.2.zig b/test/cases/errors.2.zig
deleted file mode 100644
index a1b9aef97dc4396e8e89bf1394592f260cce3743..0000000000000000000000000000000000000000
--- a/test/cases/errors.2.zig
+++ /dev/null
@@ -1,27 +0,0 @@
-pub fn main() void {
-    foo() catch |err| {
-        assert(err == error.Foo);
-        assert(err != error.Bar);
-        assert(err != error.Baz);
-    };
-    bar() catch |err| {
-        assert(err != error.Foo);
-        assert(err == error.Bar);
-        assert(err != error.Baz);
-    };
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-fn foo() anyerror!void {
-    return error.Foo;
-}
-
-fn bar() anyerror!void {
-    return error.Bar;
-}
-
-// run
-//
diff --git a/test/cases/errors.3.zig b/test/cases/errors.3.zig
deleted file mode 100644
index 390696fcfcb261ea6c8383d13c0bec8c9e85c445..0000000000000000000000000000000000000000
--- a/test/cases/errors.3.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() void {
-    foo() catch unreachable;
-}
-
-fn foo() anyerror!void {
-    try bar();
-}
-
-fn bar() anyerror!void {}
-
-// run
-//
diff --git a/test/cases/extern_variable_has_no_type.0.zig b/test/cases/extern_variable_has_no_type.0.zig
deleted file mode 100644
index e141551828fd2b6c992d5720a930b7541c9ef6e4..0000000000000000000000000000000000000000
--- a/test/cases/extern_variable_has_no_type.0.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-comptime {
-    const x = foo + foo;
-    _ = x;
-}
-extern var foo: i32;
-
-// error
-//
-// :2:19: error: unable to evaluate comptime expression
-// :2:15: note: operation is runtime due to this operand
diff --git a/test/cases/extern_variable_has_no_type.1.zig b/test/cases/extern_variable_has_no_type.1.zig
deleted file mode 100644
index f5c31244e5a7bfe9a39f028fd80f40ebcd3dff04..0000000000000000000000000000000000000000
--- a/test/cases/extern_variable_has_no_type.1.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-export fn entry() void {
-    _ = foo;
-}
-extern var foo;
-
-// error
-//
-// :4:8: error: unable to infer variable type
diff --git a/test/cases/function_calls.0.zig b/test/cases/function_calls.0.zig
deleted file mode 100644
index eb388bc49f6b9399ebc8b1f42424f7527f735360..0000000000000000000000000000000000000000
--- a/test/cases/function_calls.0.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() void {
-    foo();
-    bar();
-}
-fn foo() void {
-    bar();
-    bar();
-}
-fn bar() void {}
-
-// run
-//
diff --git a/test/cases/function_calls.1.zig b/test/cases/function_calls.1.zig
deleted file mode 100644
index 60bc061bca50c1e0a18e5bfa0b67c14d1cc06c9f..0000000000000000000000000000000000000000
--- a/test/cases/function_calls.1.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-pub fn main() void {
-    bar();
-    foo();
-    foo();
-    bar();
-    foo();
-    bar();
-}
-fn foo() void {
-    bar();
-}
-fn bar() void {}
-
-// run
-//
diff --git a/test/cases/function_calls.2.zig b/test/cases/function_calls.2.zig
deleted file mode 100644
index ce5627378a891a2f894ac79e7197f566f51aa958..0000000000000000000000000000000000000000
--- a/test/cases/function_calls.2.zig
+++ /dev/null
@@ -1,14 +0,0 @@
-pub fn main() void {
-    bar();
-    foo();
-    return;
-}
-fn foo() void {
-    bar();
-    bar();
-    bar();
-}
-fn bar() void {}
-
-// run
-//
diff --git a/test/cases/function_calls.3.zig b/test/cases/function_calls.3.zig
deleted file mode 100644
index 0316d9042d6b2888e0c7f3a71a2e99fe06bfbc8f..0000000000000000000000000000000000000000
--- a/test/cases/function_calls.3.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-pub fn main() void {
-    foo(10, 20);
-}
-fn foo(x: u8, y: u8) void {
-    _ = x;
-    _ = y;
-}
-
-// run
-//
diff --git a/test/cases/hello_world_with_updates.0.zig b/test/cases/hello_world_with_updates.0.zig
deleted file mode 100644
index 2cebc2c047d46c92940238a05f0a70460677ffcb..0000000000000000000000000000000000000000
--- a/test/cases/hello_world_with_updates.0.zig
+++ /dev/null
@@ -1,6 +0,0 @@
-// error
-// output_mode=Exe
-// target=x86_64-linux,x86_64-macos
-// link_libc=true
-//
-// :?:?: error: root source file struct 'tmp' has no member named 'main'
diff --git a/test/cases/hello_world_with_updates.1.zig b/test/cases/hello_world_with_updates.1.zig
deleted file mode 100644
index dcf18bbf87713e6dcaa556378643fc88664023da..0000000000000000000000000000000000000000
--- a/test/cases/hello_world_with_updates.1.zig
+++ /dev/null
@@ -1,6 +0,0 @@
-pub export fn main() noreturn {}
-
-// error
-//
-// :1:22: error: function declared 'noreturn' implicitly returns
-// :1:32: note: control flow reaches end of body here
diff --git a/test/cases/hello_world_with_updates.2.zig b/test/cases/hello_world_with_updates.2.zig
deleted file mode 100644
index db5564e3a70332cce9791c07497f418fda307110..0000000000000000000000000000000000000000
--- a/test/cases/hello_world_with_updates.2.zig
+++ /dev/null
@@ -1,19 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-extern "c" fn exit(c_int) noreturn;
-
-pub export fn main() noreturn {
-    print();
-
-    exit(0);
-}
-
-fn print() void {
-    const msg = @intFromPtr("Hello, World!\n");
-    const len = 14;
-    _ = write(1, msg, len);
-}
-
-// run
-//
-// Hello, World!
-//
diff --git a/test/cases/hello_world_with_updates.3.zig b/test/cases/hello_world_with_updates.3.zig
deleted file mode 100644
index 8c57d52924b209d925a51177922676b396204201..0000000000000000000000000000000000000000
--- a/test/cases/hello_world_with_updates.3.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    print();
-}
-
-fn print() void {
-    const msg = @intFromPtr("Hello, World!\n");
-    const len = 14;
-    _ = write(1, msg, len);
-}
-
-// run
-//
-// Hello, World!
-//
diff --git a/test/cases/hello_world_with_updates.4.zig b/test/cases/hello_world_with_updates.4.zig
deleted file mode 100644
index 54641a3ad5b978e978dff525170a6b3310991be5..0000000000000000000000000000000000000000
--- a/test/cases/hello_world_with_updates.4.zig
+++ /dev/null
@@ -1,22 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    print();
-    print();
-    print();
-    print();
-}
-
-fn print() void {
-    const msg = @intFromPtr("Hello, World!\n");
-    const len = 14;
-    _ = write(1, msg, len);
-}
-
-// run
-//
-// Hello, World!
-// Hello, World!
-// Hello, World!
-// Hello, World!
-//
diff --git a/test/cases/hello_world_with_updates.5.zig b/test/cases/hello_world_with_updates.5.zig
deleted file mode 100644
index ae57d9b7b6716632dd1c4fe06b340265f4b995bf..0000000000000000000000000000000000000000
--- a/test/cases/hello_world_with_updates.5.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    print();
-}
-
-fn print() void {
-    const msg = @intFromPtr("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n");
-    const len = 104;
-    _ = write(1, msg, len);
-}
-
-// run
-//
-// What is up? This is a longer message that will force the data to be relocated in virtual address space.
-//
diff --git a/test/cases/hello_world_with_updates.6.zig b/test/cases/hello_world_with_updates.6.zig
deleted file mode 100644
index 76f006992ed40d61ad7272ff2568f25b09c2ff26..0000000000000000000000000000000000000000
--- a/test/cases/hello_world_with_updates.6.zig
+++ /dev/null
@@ -1,20 +0,0 @@
-const builtin = @import("builtin");
-
-extern "c" fn write(c_int, usize, usize) usize;
-
-pub fn main() void {
-    print();
-    print();
-}
-
-fn print() void {
-    const msg = @intFromPtr("What is up? This is a longer message that will force the data to be relocated in virtual address space.\n");
-    const len = 104;
-    _ = write(1, msg, len);
-}
-
-// run
-//
-// What is up? This is a longer message that will force the data to be relocated in virtual address space.
-// What is up? This is a longer message that will force the data to be relocated in virtual address space.
-//
diff --git a/test/cases/int_to_ptr.0.zig b/test/cases/int_to_ptr.0.zig
deleted file mode 100644
index 09efb8b1a5c84967c4a0126edbceb09caa7255ae..0000000000000000000000000000000000000000
--- a/test/cases/int_to_ptr.0.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() void {
-    _ = @as(*u8, @ptrFromInt(0));
-}
-
-// error
-// output_mode=Exe
-//
-// :2:18: error: pointer type '*u8' does not allow address zero
diff --git a/test/cases/int_to_ptr.1.zig b/test/cases/int_to_ptr.1.zig
deleted file mode 100644
index d5aed471e173b70d313f653c74ff7dbbee9fd886..0000000000000000000000000000000000000000
--- a/test/cases/int_to_ptr.1.zig
+++ /dev/null
@@ -1,7 +0,0 @@
-pub fn main() void {
-    _ = @as(*u32, @ptrFromInt(2));
-}
-
-// error
-//
-// :2:19: error: pointer type '*u32' requires aligned address
diff --git a/test/cases/locals.0.zig b/test/cases/locals.0.zig
deleted file mode 100644
index 5698a66dcf498c4df55d3fa4c71566893d6e0952..0000000000000000000000000000000000000000
--- a/test/cases/locals.0.zig
+++ /dev/null
@@ -1,14 +0,0 @@
-pub fn main() void {
-    var i: u8 = 5;
-    var y: f32 = 42.0;
-    var x: u8 = 10;
-    if (false) {
-        &y;
-        &x / &i;
-    }
-    if (i != 5) unreachable;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/locals.1.zig b/test/cases/locals.1.zig
deleted file mode 100644
index 0d0b63f6369fbdec0e01ff96773ea22531881122..0000000000000000000000000000000000000000
--- a/test/cases/locals.1.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-pub fn main() void {
-    var i: u8 = 5;
-    var y: f32 = 42.0;
-    _ = &y;
-    var x: u8 = 10;
-    _ = &x;
-    foo(i, x);
-    i = x;
-    if (i != 10) unreachable;
-}
-fn foo(x: u8, y: u8) void {
-    _ = y;
-    var i: u8 = 10;
-    i = x;
-}
-
-// run
-//
diff --git a/test/cases/lower_unnamed_consts_structs.0.zig b/test/cases/lower_unnamed_consts_structs.0.zig
deleted file mode 100644
index 31232996461ac972b886c5bb30b9c91ff6840d52..0000000000000000000000000000000000000000
--- a/test/cases/lower_unnamed_consts_structs.0.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-const Foo = struct {
-    a: u8,
-    b: u32,
-
-    fn first(self: *Foo) u8 {
-        return self.a;
-    }
-
-    fn second(self: *Foo) u32 {
-        return self.b;
-    }
-};
-
-pub fn main() void {
-    var foo = Foo{ .a = 1, .b = 5 };
-    assert(foo.first() == 1);
-    assert(foo.second() == 5);
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/lower_unnamed_consts_structs.1.zig b/test/cases/lower_unnamed_consts_structs.1.zig
deleted file mode 100644
index 37afdc8a09c0f08f0351a4d0201416e17455b07b..0000000000000000000000000000000000000000
--- a/test/cases/lower_unnamed_consts_structs.1.zig
+++ /dev/null
@@ -1,35 +0,0 @@
-const Foo = struct {
-    a: u8,
-    b: u32,
-
-    fn first(self: *Foo) u8 {
-        return self.a;
-    }
-
-    fn second(self: *Foo) u32 {
-        return self.b;
-    }
-};
-
-pub fn main() void {
-    var foo = Foo{ .a = 1, .b = 5 };
-    assert(foo.first() == 1);
-    assert(foo.second() == 5);
-
-    foo.a = 10;
-    foo.b = 255;
-
-    assert(foo.first() == 10);
-    assert(foo.second() == 255);
-
-    var foo2 = Foo{ .a = 15, .b = 255 };
-    assert(foo2.first() == 15);
-    assert(foo2.second() == 255);
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/lower_unnamed_consts_structs.2.zig b/test/cases/lower_unnamed_consts_structs.2.zig
deleted file mode 100644
index b437c4a030aae4842b371abef19074f27b76d556..0000000000000000000000000000000000000000
--- a/test/cases/lower_unnamed_consts_structs.2.zig
+++ /dev/null
@@ -1,25 +0,0 @@
-const Foo = struct {
-    a: u8,
-    b: u32,
-
-    fn first(self: *Foo) u8 {
-        return self.a;
-    }
-
-    fn second(self: *Foo) u32 {
-        return self.b;
-    }
-};
-
-pub fn main() void {
-    var foo2 = Foo{ .a = 15, .b = 255 };
-    assert(foo2.first() == 15);
-    assert(foo2.second() == 255);
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/merge_error_sets.0.zig b/test/cases/merge_error_sets.0.zig
deleted file mode 100644
index f1f3b968830988d3d8e6105f1bd97d49345a8d08..0000000000000000000000000000000000000000
--- a/test/cases/merge_error_sets.0.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-pub fn main() void {
-    const E = error{ A, B, D } || error{ A, B, C };
-    E.A catch {};
-    E.B catch {};
-    E.C catch {};
-    E.D catch {};
-    const E2 = error{ X, Y } || @TypeOf(error.Z);
-    E2.X catch {};
-    E2.Y catch {};
-    E2.Z catch {};
-    assert(anyerror || error{Z} == anyerror);
-}
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/merge_error_sets.1.zig b/test/cases/merge_error_sets.1.zig
deleted file mode 100644
index 81c1cad134ec58f46201197a827608b88389f344..0000000000000000000000000000000000000000
--- a/test/cases/merge_error_sets.1.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    const z = true || false;
-    _ = z;
-}
-
-// error
-//
-// :2:15: error: expected error set type, found 'bool'
-// :2:20: note: '||' merges error sets; 'or' performs boolean OR
diff --git a/test/cases/multiplying_numbers_at_runtime_and_comptime.0.zig b/test/cases/multiplying_numbers_at_runtime_and_comptime.0.zig
deleted file mode 100644
index f113928982fbeedd44b3eab66d73c46bba0b3721..0000000000000000000000000000000000000000
--- a/test/cases/multiplying_numbers_at_runtime_and_comptime.0.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    mul(3, 4);
-}
-
-fn mul(a: u32, b: u32) void {
-    if (a * b != 12) unreachable;
-}
-
-// run
-// target=x86_64-linux,x86_64-macos
-//
diff --git a/test/cases/multiplying_numbers_at_runtime_and_comptime.1.zig b/test/cases/multiplying_numbers_at_runtime_and_comptime.1.zig
deleted file mode 100644
index 1dff884900dcf2811722ea7a9cc6d99484d0f913..0000000000000000000000000000000000000000
--- a/test/cases/multiplying_numbers_at_runtime_and_comptime.1.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() void {
-    if (x - 12 != 0) unreachable;
-}
-
-fn mul(a: u32, b: u32) u32 {
-    return a * b;
-}
-
-const x = mul(3, 4);
-
-// run
-//
diff --git a/test/cases/multiplying_numbers_at_runtime_and_comptime.2.zig b/test/cases/multiplying_numbers_at_runtime_and_comptime.2.zig
deleted file mode 100644
index 8afbc51f53fe5d3a85d341ab1e93f9407f7c0267..0000000000000000000000000000000000000000
--- a/test/cases/multiplying_numbers_at_runtime_and_comptime.2.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() void {
-    var x: usize = 5;
-    _ = &x;
-    const y = mul(2, 3, x);
-    if (y - 30 != 0) unreachable;
-}
-
-inline fn mul(a: usize, b: usize, c: usize) usize {
-    return a * b * c;
-}
-
-// run
-//
diff --git a/test/cases/only_1_function_and_it_gets_updated.0.zig b/test/cases/only_1_function_and_it_gets_updated.0.zig
deleted file mode 100644
index eada595db815cc30b8663a723cf6c0cb8b012857..0000000000000000000000000000000000000000
--- a/test/cases/only_1_function_and_it_gets_updated.0.zig
+++ /dev/null
@@ -1,7 +0,0 @@
-pub export fn _start() noreturn {
-    while (true) {}
-}
-
-// run
-// target=x86_64-linux,x86_64-macos
-//
diff --git a/test/cases/only_1_function_and_it_gets_updated.1.zig b/test/cases/only_1_function_and_it_gets_updated.1.zig
deleted file mode 100644
index 9982ca9ab813ed96d150af9870ee2402250a6738..0000000000000000000000000000000000000000
--- a/test/cases/only_1_function_and_it_gets_updated.1.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub export fn _start() noreturn {
-    var dummy: u32 = 10;
-    _ = &dummy;
-    while (true) {}
-}
-
-// run
-//
diff --git a/test/cases/optional_payload.0.zig b/test/cases/optional_payload.0.zig
deleted file mode 100644
index 65296875ff1c27542bf6ee87b3e66d720b023cf5..0000000000000000000000000000000000000000
--- a/test/cases/optional_payload.0.zig
+++ /dev/null
@@ -1,19 +0,0 @@
-pub fn main() void {
-    var x: u32 = undefined;
-    const maybe_x = byPtr(&x);
-    assert(maybe_x != null);
-    maybe_x.?.* = 123;
-    assert(x == 123);
-}
-
-fn byPtr(x: *u32) ?*u32 {
-    return x;
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-// target=x86_64-linux,x86_64-macos
-//
diff --git a/test/cases/optional_payload.1.zig b/test/cases/optional_payload.1.zig
deleted file mode 100644
index 2d4dafffb9bdb898c20465beba6ec86a7ef54985..0000000000000000000000000000000000000000
--- a/test/cases/optional_payload.1.zig
+++ /dev/null
@@ -1,17 +0,0 @@
-pub fn main() void {
-    var x: u32 = undefined;
-    const maybe_x = byPtr(&x);
-    assert(maybe_x == null);
-}
-
-fn byPtr(x: *u32) ?*u32 {
-    _ = x;
-    return null;
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/optional_payload.2.zig b/test/cases/optional_payload.2.zig
deleted file mode 100644
index 608310923bad2f4a376c63f6673c7f66c2275679..0000000000000000000000000000000000000000
--- a/test/cases/optional_payload.2.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-pub fn main() void {
-    var x: u8 = undefined;
-    const maybe_x = byPtr(&x);
-    assert(maybe_x != null);
-    maybe_x.?.* = 255;
-    assert(x == 255);
-}
-
-fn byPtr(x: *u8) ?*u8 {
-    return x;
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/optional_payload.3.zig b/test/cases/optional_payload.3.zig
deleted file mode 100644
index b81ec398c7a28ed88b5dab7295fcbf9fafa19c83..0000000000000000000000000000000000000000
--- a/test/cases/optional_payload.3.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-pub fn main() void {
-    var x: i8 = undefined;
-    const maybe_x = byPtr(&x);
-    assert(maybe_x != null);
-    maybe_x.?.* = -1;
-    assert(x == -1);
-}
-
-fn byPtr(x: *i8) ?*i8 {
-    return x;
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/optionals.0.zig b/test/cases/optionals.0.zig
deleted file mode 100644
index 49841ac593228a17e7be03d81c903fccbc02e6e0..0000000000000000000000000000000000000000
--- a/test/cases/optionals.0.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() u8 {
-    var x: ?u8 = 5;
-    _ = &x;
-    var y: u8 = 0;
-    if (x) |val| {
-        y = val;
-    }
-    return y - 5;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/optionals.1.zig b/test/cases/optionals.1.zig
deleted file mode 100644
index 4bba10fc368d7ef8c65b5c10af069663cf2ccc31..0000000000000000000000000000000000000000
--- a/test/cases/optionals.1.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() u8 {
-    var x: ?u8 = null;
-    _ = &x;
-    var y: u8 = 0;
-    if (x) |val| {
-        y = val;
-    }
-    return y;
-}
-
-// run
-//
diff --git a/test/cases/optionals.2.zig b/test/cases/optionals.2.zig
deleted file mode 100644
index 0464db35422bd67ac8a70392aa16608ed7dfc2bc..0000000000000000000000000000000000000000
--- a/test/cases/optionals.2.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-pub fn main() u8 {
-    var x: ?u8 = 5;
-    _ = &x;
-    return x.? - 5;
-}
-
-// run
-//
diff --git a/test/cases/optionals.3.zig b/test/cases/optionals.3.zig
deleted file mode 100644
index 849914fbb5c8cdfe6517d0286198b22ed5201094..0000000000000000000000000000000000000000
--- a/test/cases/optionals.3.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() u8 {
-    var x: u8 = 5;
-    var y: ?u8 = x;
-    _ = .{ &x, &y };
-    return y.? - 5;
-}
-
-// run
-//
diff --git a/test/cases/optionals.4.zig b/test/cases/optionals.4.zig
deleted file mode 100644
index af3400b322a9b9cec82f8a3798c1806e93aae4c4..0000000000000000000000000000000000000000
--- a/test/cases/optionals.4.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() u8 {
-    var val: ?u8 = 5;
-    while (val) |*v| {
-        v.* -= 1;
-        if (v.* == 2) {
-            val = null;
-        }
-    }
-    return 0;
-}
-
-// run
-//
diff --git a/test/cases/orelse_at_comptime.0.zig b/test/cases/orelse_at_comptime.0.zig
deleted file mode 100644
index 5397ca3b0afae077fb60745b35c3011576c8a49d..0000000000000000000000000000000000000000
--- a/test/cases/orelse_at_comptime.0.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    const i: ?u64 = 0;
-    const result = i orelse 5;
-    assert(result == 0);
-}
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/orelse_at_comptime.1.zig b/test/cases/orelse_at_comptime.1.zig
deleted file mode 100644
index 7d4fcd3178a34fc251f78f49b54857c759dc9254..0000000000000000000000000000000000000000
--- a/test/cases/orelse_at_comptime.1.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    const i: ?u64 = null;
-    const result = i orelse 5;
-    assert(result == 5);
-}
-fn assert(b: bool) void {
-    if (!b) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/parameters_and_return_values.0.zig b/test/cases/parameters_and_return_values.0.zig
deleted file mode 100644
index bf07cf2921f7fd0895b94425ff1d34c1a601d270..0000000000000000000000000000000000000000
--- a/test/cases/parameters_and_return_values.0.zig
+++ /dev/null
@@ -1,20 +0,0 @@
-const std = @import("std");
-
-pub fn main() void {
-    print(id(14));
-}
-
-fn id(x: u32) u32 {
-    return x;
-}
-
-fn print(len: u32) void {
-    const str = "Hello, World!\n";
-    _ = std.posix.write(1, str[0..len]) catch {};
-}
-
-// run
-// target=x86_64-macos
-//
-// Hello, World!
-//
diff --git a/test/cases/parameters_and_return_values.1.zig b/test/cases/parameters_and_return_values.1.zig
deleted file mode 100644
index f2bc35d22ec6a7ac0b203bf257d10805815dc931..0000000000000000000000000000000000000000
--- a/test/cases/parameters_and_return_values.1.zig
+++ /dev/null
@@ -1,14 +0,0 @@
-pub fn main() void {
-    assert(add(1, 2, 3, 4, 5, 6) == 21);
-}
-
-fn add(a: u32, b: u32, c: u32, d: u32, e: u32, f: u32) u32 {
-    return a + b + c + d + e + f;
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/pointers.0.zig b/test/cases/pointers.0.zig
deleted file mode 100644
index 958ee5ac8860225eb4b5d5bfb051a8fb9ea97699..0000000000000000000000000000000000000000
--- a/test/cases/pointers.0.zig
+++ /dev/null
@@ -1,14 +0,0 @@
-pub fn main() u8 {
-    var x: u8 = 0;
-
-    foo(&x);
-    return x - 2;
-}
-
-fn foo(x: *u8) void {
-    x.* = 2;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/pointers.1.zig b/test/cases/pointers.1.zig
deleted file mode 100644
index b3649cf5204313da4d2979866de590a04d4494a1..0000000000000000000000000000000000000000
--- a/test/cases/pointers.1.zig
+++ /dev/null
@@ -1,18 +0,0 @@
-pub fn main() u8 {
-    var x: u8 = 0;
-
-    foo(&x);
-    bar(&x);
-    return x - 4;
-}
-
-fn foo(x: *u8) void {
-    x.* = 2;
-}
-
-fn bar(x: *u8) void {
-    x.* += 2;
-}
-
-// run
-//
diff --git a/test/cases/redundant_comptime.0.zig b/test/cases/redundant_comptime.0.zig
deleted file mode 100644
index c1ecbf7acec79ac1c60f9f09780e317b609ccd12..0000000000000000000000000000000000000000
--- a/test/cases/redundant_comptime.0.zig
+++ /dev/null
@@ -1,7 +0,0 @@
-pub fn main() void {
-    var a: comptime u32 = 0;
-}
-
-// error
-//
-// :2:12: error: redundant comptime keyword in already comptime scope
diff --git a/test/cases/redundant_comptime.1.zig b/test/cases/redundant_comptime.1.zig
deleted file mode 100644
index 79226ae8a6b2799dc4e87cfad71219f09a47fc34..0000000000000000000000000000000000000000
--- a/test/cases/redundant_comptime.1.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    comptime {
-        var a: u32 = comptime 0;
-    }
-}
-
-// error
-//
-// :3:22: error: redundant comptime keyword in already comptime scope
diff --git a/test/cases/spilling_registers.0.zig b/test/cases/spilling_registers.0.zig
deleted file mode 100644
index eb580cf5d81127bed53d1cc3ef5aea437d7b7fe8..0000000000000000000000000000000000000000
--- a/test/cases/spilling_registers.0.zig
+++ /dev/null
@@ -1,38 +0,0 @@
-pub fn main() void {
-    assert(add(3, 4) == 791);
-}
-
-fn add(a: u32, b: u32) u32 {
-    const x: u32 = blk: {
-        const c = a + b; // 7
-        const d = a + c; // 10
-        const e = d + b; // 14
-        const f = d + e; // 24
-        const g = e + f; // 38
-        const h = f + g; // 62
-        const i = g + h; // 100
-        const j = i + d; // 110
-        const k = i + j; // 210
-        const l = k + c; // 217
-        const m = l + d; // 227
-        const n = m + e; // 241
-        const o = n + f; // 265
-        const p = o + g; // 303
-        const q = p + h; // 365
-        const r = q + i; // 465
-        const s = r + j; // 575
-        const t = s + k; // 785
-        break :blk t;
-    };
-    const y = x + a; // 788
-    const z = y + a; // 791
-    return z;
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-// target=x86_64-linux,x86_64-macos
-//
diff --git a/test/cases/spilling_registers.1.zig b/test/cases/spilling_registers.1.zig
deleted file mode 100644
index f401a5d7b7d1f29a9dc628315cff7e5b4e85d21c..0000000000000000000000000000000000000000
--- a/test/cases/spilling_registers.1.zig
+++ /dev/null
@@ -1,37 +0,0 @@
-pub fn main() void {
-    assert(addMul(3, 4) == 357747496);
-}
-
-fn addMul(a: u32, b: u32) u32 {
-    const x: u32 = blk: {
-        const c = a + b; // 7
-        const d = a + c; // 10
-        const e = d + b; // 14
-        const f = d + e; // 24
-        const g = e + f; // 38
-        const h = f + g; // 62
-        const i = g + h; // 100
-        const j = i + d; // 110
-        const k = i + j; // 210
-        const l = k + c; // 217
-        const m = l * d; // 2170
-        const n = m + e; // 2184
-        const o = n * f; // 52416
-        const p = o + g; // 52454
-        const q = p * h; // 3252148
-        const r = q + i; // 3252248
-        const s = r * j; // 357747280
-        const t = s + k; // 357747490
-        break :blk t;
-    };
-    const y = x + a; // 357747493
-    const z = y + a; // 357747496
-    return z;
-}
-
-fn assert(ok: bool) void {
-    if (!ok) unreachable;
-}
-
-// run
-//
diff --git a/test/cases/structs.0.zig b/test/cases/structs.0.zig
deleted file mode 100644
index 306cf73ebfa5a5b0becfb9c082d3d0b8915b2e5f..0000000000000000000000000000000000000000
--- a/test/cases/structs.0.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-const Example = struct { x: u8 };
-
-pub fn main() u8 {
-    var example: Example = .{ .x = 5 };
-    _ = &example;
-    return example.x - 5;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/structs.1.zig b/test/cases/structs.1.zig
deleted file mode 100644
index 8d4250e4a2ac87a7271f06275f2bd951f211180c..0000000000000000000000000000000000000000
--- a/test/cases/structs.1.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-const Example = struct { x: u8 };
-
-pub fn main() u8 {
-    var example: Example = .{ .x = 5 };
-    example.x = 10;
-    return example.x - 10;
-}
-
-// run
-//
diff --git a/test/cases/structs.2.zig b/test/cases/structs.2.zig
deleted file mode 100644
index 7593284301b2508deab2e23aa6927e9b93c9c182..0000000000000000000000000000000000000000
--- a/test/cases/structs.2.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-const Example = struct { x: u8, y: u8 };
-
-pub fn main() u8 {
-    var example: Example = .{ .x = 5, .y = 10 };
-    _ = &example;
-    return example.y + example.x - 15;
-}
-
-// run
-//
diff --git a/test/cases/structs.3.zig b/test/cases/structs.3.zig
deleted file mode 100644
index cfc064d67103a3009b128590ec98faf924647377..0000000000000000000000000000000000000000
--- a/test/cases/structs.3.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-const Example = struct { x: u8, y: u8 };
-
-pub fn main() u8 {
-    var example: Example = .{ .x = 5, .y = 10 };
-    var example2: Example = .{ .x = 10, .y = 20 };
-    _ = &example2;
-
-    example = example2;
-    return example.y + example.x - 30;
-}
-
-// run
-//
diff --git a/test/cases/structs.4.zig b/test/cases/structs.4.zig
deleted file mode 100644
index 2d37446c5692f49b68d0de55488e995b1011e075..0000000000000000000000000000000000000000
--- a/test/cases/structs.4.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-const Example = struct { x: u8, y: u8 };
-
-pub fn main() u8 {
-    var example: Example = .{ .x = 5, .y = 10 };
-
-    example = .{ .x = 10, .y = 20 };
-    return example.y + example.x - 30;
-}
-
-// run
-//
diff --git a/test/cases/switch.0.zig b/test/cases/switch.0.zig
deleted file mode 100644
index f4a79fa772b36dcafeda9950f36a4caf7220e471..0000000000000000000000000000000000000000
--- a/test/cases/switch.0.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-pub fn main() u8 {
-    var val: u8 = 1;
-    _ = &val;
-    const a: u8 = switch (val) {
-        0, 1 => 2,
-        2 => 3,
-        3 => 4,
-        else => 5,
-    };
-
-    return a - 2;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/switch.1.zig b/test/cases/switch.1.zig
deleted file mode 100644
index d93e1ccb4740b74081d7470597bb3957ba09446e..0000000000000000000000000000000000000000
--- a/test/cases/switch.1.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-pub fn main() u8 {
-    var val: u8 = 2;
-    _ = &val;
-    var a: u8 = switch (val) {
-        0, 1 => 2,
-        2 => 3,
-        3 => 4,
-        else => 5,
-    };
-    _ = &a;
-
-    return a - 3;
-}
-
-// run
-//
diff --git a/test/cases/switch.2.zig b/test/cases/switch.2.zig
deleted file mode 100644
index 1506d822d1c1552d085fa2edf4557f5ae7e328e2..0000000000000000000000000000000000000000
--- a/test/cases/switch.2.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-pub fn main() u8 {
-    var val: u8 = 10;
-    _ = &val;
-    const a: u8 = switch (val) {
-        0, 1 => 2,
-        2 => 3,
-        3 => 4,
-        else => 5,
-    };
-
-    return a - 5;
-}
-
-// run
-//
diff --git a/test/cases/switch.3.zig b/test/cases/switch.3.zig
deleted file mode 100644
index 6225dda3ff8792677e18b4877f51407a93efade1..0000000000000000000000000000000000000000
--- a/test/cases/switch.3.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-const MyEnum = enum { One, Two, Three };
-
-pub fn main() u8 {
-    var val: MyEnum = .Two;
-    _ = &val;
-    const a: u8 = switch (val) {
-        .One => 1,
-        .Two => 2,
-        .Three => 3,
-    };
-
-    return a - 2;
-}
-
-// run
-//
diff --git a/test/cases/type_of.0.zig b/test/cases/type_of.0.zig
deleted file mode 100644
index 823572c8636435afcf445143c4bf8b74c75cbbb9..0000000000000000000000000000000000000000
--- a/test/cases/type_of.0.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() void {
-    var x: usize = 0;
-    _ = &x;
-    const z = @TypeOf(x, @as(u128, 5));
-    assert(z == u128);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/type_of.1.zig b/test/cases/type_of.1.zig
deleted file mode 100644
index 86d7d87a19da452234bebb83b69d8cb0ee1fa1a8..0000000000000000000000000000000000000000
--- a/test/cases/type_of.1.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    const z = @TypeOf(true);
-    assert(z == bool);
-}
-
-pub fn assert(ok: bool) void {
-    if (!ok) unreachable; // assertion failure
-}
-
-// run
-//
diff --git a/test/cases/type_of.2.zig b/test/cases/type_of.2.zig
deleted file mode 100644
index cdbc8121fd71bc5f6603e8c2ab399154ba9b0c84..0000000000000000000000000000000000000000
--- a/test/cases/type_of.2.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    _ = @TypeOf(true, 1);
-}
-
-// error
-//
-// :2:9: error: incompatible types: 'bool' and 'comptime_int'
-// :2:17: note: type 'bool' here
-// :2:23: note: type 'comptime_int' here
diff --git a/test/cases/unused_labels.0.zig b/test/cases/unused_labels.0.zig
deleted file mode 100644
index 9afa5facdde2c412bd30cd0d43463c2f90cd2cf2..0000000000000000000000000000000000000000
--- a/test/cases/unused_labels.0.zig
+++ /dev/null
@@ -1,8 +0,0 @@
-comptime {
-    foo: {}
-}
-
-// error
-// output_mode=Exe
-//
-// :2:5: error: unused block label
diff --git a/test/cases/unused_labels.1.zig b/test/cases/unused_labels.1.zig
deleted file mode 100644
index c7ff576875dcea1d493816bb78ee56b863023707..0000000000000000000000000000000000000000
--- a/test/cases/unused_labels.1.zig
+++ /dev/null
@@ -1,7 +0,0 @@
-comptime {
-    foo: while (true) {}
-}
-
-// error
-//
-// :2:5: error: unused while loop label
diff --git a/test/cases/unused_labels.2.zig b/test/cases/unused_labels.2.zig
deleted file mode 100644
index babe3c7b0a1dda7aac83115faf4c60d00aa06543..0000000000000000000000000000000000000000
--- a/test/cases/unused_labels.2.zig
+++ /dev/null
@@ -1,7 +0,0 @@
-comptime {
-    foo: for ("foo") |_| {}
-}
-
-// error
-//
-// :2:5: error: unused for loop label
diff --git a/test/cases/unused_labels.3.zig b/test/cases/unused_labels.3.zig
deleted file mode 100644
index 36c9aa2319b0a3d15f4f5bbace544a07920e9f94..0000000000000000000000000000000000000000
--- a/test/cases/unused_labels.3.zig
+++ /dev/null
@@ -1,10 +0,0 @@
-comptime {
-    blk: {
-        blk: {}
-    }
-}
-
-// error
-//
-// :2:11: error: redefinition of label 'blk'
-// :2:5: note: previous definition here
diff --git a/test/cases/variable_shadowing.0.zig b/test/cases/variable_shadowing.0.zig
deleted file mode 100644
index accfda758f95afa21155216e35d4ed8ea0d72fcc..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.0.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    var i: u32 = 10;
-    var i: u32 = 10;
-}
-
-// error
-// backend=stage2
-// target=x86_64-linux,x86_64-macos
-//
-// :3:9: error: redeclaration of local variable 'i'
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.1.zig b/test/cases/variable_shadowing.1.zig
deleted file mode 100644
index 2a2945a65f7e874755d799e69ed8f605b30cc8b9..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.1.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-var testing: i64 = 10;
-pub fn main() void {
-    var testing: i64 = 20;
-}
-
-// error
-//
-// :3:9: error: local variable shadows declaration of 'testing'
-// :1:1: note: declared here
diff --git a/test/cases/variable_shadowing.10.zig b/test/cases/variable_shadowing.10.zig
deleted file mode 100644
index 6aa9f5a9bfd703beceb992da278207f38c17a642..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.10.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-fn foo() !void {
-    var i: anyerror!usize = 1;
-    _ = i catch |i| return i;
-}
-
-// error
-//
-// :3:18: error: redeclaration of local variable 'i'
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.2.zig b/test/cases/variable_shadowing.2.zig
deleted file mode 100644
index a44372f9b978ce8ed3eef164ce81364637fb2313..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.2.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-fn a() type {
-    return struct {
-        pub fn b() void {
-            const c = 6;
-            const c = 69;
-        }
-    };
-}
-
-// error
-//
-// :5:19: error: redeclaration of local constant 'c'
-// :4:19: note: previous declaration here
diff --git a/test/cases/variable_shadowing.3.zig b/test/cases/variable_shadowing.3.zig
deleted file mode 100644
index af16bccc1478ca509cd68aaa75c549872df8ab81..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.3.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i = 0;
-    for ("n", 0..) |_, i| {}
-}
-
-// error
-//
-// :3:24: error: capture 'i' shadows local variable from outer scope
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.4.zig b/test/cases/variable_shadowing.4.zig
deleted file mode 100644
index 3653c2457de7417f0bb83ac053170d81897fac5d..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.4.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i = 0;
-    for ("n") |i| {}
-}
-
-// error
-//
-// :3:16: error: capture 'i' shadows local variable from outer scope
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.5.zig b/test/cases/variable_shadowing.5.zig
deleted file mode 100644
index 78247e68feaa468461fa71c6f9c9ed059dec9213..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.5.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i = 0;
-    while ("n") |i| {}
-}
-
-// error
-//
-// :3:18: error: capture 'i' shadows local variable from outer scope
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.6.zig b/test/cases/variable_shadowing.6.zig
deleted file mode 100644
index a3ae7bc34687a98c2d8e9339db8a55b17c0a4f98..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.6.zig
+++ /dev/null
@@ -1,11 +0,0 @@
-pub fn main() void {
-    var i = 0;
-    while ("n") |bruh| {
-        _ = bruh;
-    } else |i| {}
-}
-
-// error
-//
-// :5:13: error: capture 'i' shadows local variable from outer scope
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.7.zig b/test/cases/variable_shadowing.7.zig
deleted file mode 100644
index e8368699b4dd4018a38e54a318bada43277ee88c..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.7.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i = 0;
-    if (true) |i| {}
-}
-
-// error
-//
-// :3:16: error: capture 'i' shadows local variable from outer scope
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.8.zig b/test/cases/variable_shadowing.8.zig
deleted file mode 100644
index 1a3f560589ae716294fed6ddc3f111437975a101..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.8.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i = 0;
-    if (true) |i| {} else |e| {}
-}
-
-// error
-//
-// :3:16: error: capture 'i' shadows local variable from outer scope
-// :2:9: note: previous declaration here
diff --git a/test/cases/variable_shadowing.9.zig b/test/cases/variable_shadowing.9.zig
deleted file mode 100644
index 28e2b16834bf43a708c64616e6919b0c602b6a60..0000000000000000000000000000000000000000
--- a/test/cases/variable_shadowing.9.zig
+++ /dev/null
@@ -1,9 +0,0 @@
-pub fn main() void {
-    var i = 0;
-    if (true) |_| {} else |i| {}
-}
-
-// error
-//
-// :3:28: error: capture 'i' shadows local variable from outer scope
-// :2:9: note: previous declaration here
diff --git a/test/cases/while_loops.0.zig b/test/cases/while_loops.0.zig
deleted file mode 100644
index 721b127ff54aeb2d65f03dd4cfdc8315445529f6..0000000000000000000000000000000000000000
--- a/test/cases/while_loops.0.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 0;
-    while (i < @as(u8, 5)) {
-        i += 1;
-    }
-
-    return i - 5;
-}
-
-// run
-// target=wasm32-wasi
-//
diff --git a/test/cases/while_loops.1.zig b/test/cases/while_loops.1.zig
deleted file mode 100644
index 283398adbce8469da74d8a2946539c0901a26ea1..0000000000000000000000000000000000000000
--- a/test/cases/while_loops.1.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 0;
-    while (i < @as(u8, 10)) {
-        var x: u8 = 1;
-        _ = &x;
-        i += x;
-    }
-    return i - 10;
-}
-
-// run
-//
diff --git a/test/cases/while_loops.2.zig b/test/cases/while_loops.2.zig
deleted file mode 100644
index fa4f9ed26c232656f38d6125095cb54a0805da68..0000000000000000000000000000000000000000
--- a/test/cases/while_loops.2.zig
+++ /dev/null
@@ -1,13 +0,0 @@
-pub fn main() u8 {
-    var i: u8 = 0;
-    while (i < @as(u8, 10)) {
-        var x: u8 = 1;
-        _ = &x;
-        i += x;
-        if (i == @as(u8, 5)) break;
-    }
-    return i - 5;
-}
-
-// run
-//
diff --git a/test/cases/x86_64-linux/inline_assembly.0.zig b/test/cases/x86_64-linux/inline_assembly.0.zig
deleted file mode 100644
index 8356e05d80837e2f240013dbb0fd315018c71aab..0000000000000000000000000000000000000000
--- a/test/cases/x86_64-linux/inline_assembly.0.zig
+++ /dev/null
@@ -1,16 +0,0 @@
-pub fn main() void {
-    const number = 1234;
-    const x = asm volatile ("syscall"
-        : [o] "{rax}" (-> number),
-        : [number] "{rax}" (231),
-          [arg1] "{rdi}" (60),
-        : "rcx", "r11", "memory"
-    );
-    _ = x;
-}
-
-// error
-// output_mode=Exe
-// target=x86_64-linux
-//
-// :4:27: error: expected type 'type', found 'comptime_int'
diff --git a/test/cases/x86_64-linux/inline_assembly.1.zig b/test/cases/x86_64-linux/inline_assembly.1.zig
deleted file mode 100644
index b35014b0f6b6afa26cd92e7496edbc70c2b90dbf..0000000000000000000000000000000000000000
--- a/test/cases/x86_64-linux/inline_assembly.1.zig
+++ /dev/null
@@ -1,15 +0,0 @@
-const S = struct {
-    comptime {
-        asm volatile (
-            \\zig_moment:
-            \\syscall
-        );
-    }
-};
-pub fn main() void {
-    _ = S;
-}
-
-// error
-//
-// :3:13: error: volatile is meaningless on global assembly
diff --git a/test/cases/x86_64-linux/inline_assembly.2.zig b/test/cases/x86_64-linux/inline_assembly.2.zig
deleted file mode 100644
index 7958d0df71ea9f7c51bf74193f0b457fd99216de..0000000000000000000000000000000000000000
--- a/test/cases/x86_64-linux/inline_assembly.2.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() void {
-    var bruh: u32 = 1;
-    asm (""
-        :
-        : [bruh] "{rax}" (4),
-        : "memory"
-    );
-}
-
-// error
-//
-// :3:5: error: assembly expression with no output must be marked volatile
diff --git a/test/cases/x86_64-linux/inline_assembly.3.zig b/test/cases/x86_64-linux/inline_assembly.3.zig
deleted file mode 100644
index a6f57e832a74945ccb1fa8887a96326b20a75485..0000000000000000000000000000000000000000
--- a/test/cases/x86_64-linux/inline_assembly.3.zig
+++ /dev/null
@@ -1,12 +0,0 @@
-pub fn main() void {}
-comptime {
-    asm (""
-        :
-        : [bruh] "{rax}" (4),
-        : "memory"
-    );
-}
-
-// error
-//
-// :3:5: error: global assembly cannot have inputs, outputs, or clobbers
diff --git a/test/incremental/change_fn_type b/test/incremental/change_fn_type
new file mode 100644
index 0000000000000000000000000000000000000000..892d0dd9b6b46f160b13a79f21e3e67f762eb681
--- /dev/null
+++ b/test/incremental/change_fn_type
@@ -0,0 +1,35 @@
+#target=x86_64-linux-selfhosted
+#target=x86_64-linux-cbe
+#target=x86_64-windows-cbe
+#update=initial version
+#file=main.zig
+pub fn main() !void {
+    try foo(123);
+}
+fn foo(x: u8) !void {
+    return std.io.getStdOut().writer().print("{d}\n", .{x});
+}
+const std = @import("std");
+#expect_stdout="123\n"
+
+#update=change function type
+#file=main.zig
+pub fn main() !void {
+    try foo(123);
+}
+fn foo(x: i64) !void {
+    return std.io.getStdOut().writer().print("{d}\n", .{x});
+}
+const std = @import("std");
+#expect_stdout="123\n"
+
+#update=change function argument
+#file=main.zig
+pub fn main() !void {
+    try foo(-42);
+}
+fn foo(x: i64) !void {
+    return std.io.getStdOut().writer().print("{d}\n", .{x});
+}
+const std = @import("std");
+#expect_stdout="-42\n"
diff --git a/test/incremental/change_struct_same_fields b/test/incremental/change_struct_same_fields
new file mode 100644
index 0000000000000000000000000000000000000000..f742bab8703130bb39f4516e7f30c3d2b1ea04b6
--- /dev/null
+++ b/test/incremental/change_struct_same_fields
@@ -0,0 +1,50 @@
+#target=x86_64-linux-selfhosted
+#target=x86_64-linux-cbe
+#target=x86_64-windows-cbe
+#update=initial version
+#file=main.zig
+const S = extern struct { x: u8, y: u8 };
+pub fn main() !void {
+    const val: S = .{ .x = 100, .y = 200 };
+    try foo(&val);
+}
+fn foo(val: *const S) !void {
+    try std.io.getStdOut().writer().print(
+        "{d} {d}\n",
+        .{ val.x, val.y },
+    );
+}
+const std = @import("std");
+#expect_stdout="100 200\n"
+
+#update=change struct layout
+#file=main.zig
+const S = extern struct { x: u32, y: u32 };
+pub fn main() !void {
+    const val: S = .{ .x = 100, .y = 200 };
+    try foo(&val);
+}
+fn foo(val: *const S) !void {
+    try std.io.getStdOut().writer().print(
+        "{d} {d}\n",
+        .{ val.x, val.y },
+    );
+}
+const std = @import("std");
+#expect_stdout="100 200\n"
+
+#update=change values
+#file=main.zig
+const S = extern struct { x: u32, y: u32 };
+pub fn main() !void {
+    const val: S = .{ .x = 1234, .y = 5678 };
+    try foo(&val);
+}
+fn foo(val: *const S) !void {
+    try std.io.getStdOut().writer().print(
+        "{d} {d}\n",
+        .{ val.x, val.y },
+    );
+}
+const std = @import("std");
+#expect_stdout="1234 5678\n"
diff --git a/test/incremental/compile_error_then_log b/test/incremental/compile_error_then_log
new file mode 100644
index 0000000000000000000000000000000000000000..00ccef9290d1fed55731b0c300bff519b361b7a1
--- /dev/null
+++ b/test/incremental/compile_error_then_log
@@ -0,0 +1,21 @@
+#target=x86_64-linux-selfhosted
+#target=x86_64-linux-cbe
+#target=x86_64-windows-cbe
+#update=initial version with compile error
+#file=main.zig
+comptime {
+    @compileError("this is an error");
+}
+comptime {
+    @compileLog("this is a log");
+}
+#expect_error=ignored
+#update=remove the compile error
+#file=main.zig
+comptime {
+    //@compileError("this is an error");
+}
+comptime {
+    @compileLog("this is a log");
+}
+#expect_error=ignored
diff --git a/test/incremental/function_becomes_inline b/test/incremental/function_becomes_inline
new file mode 100644
index 0000000000000000000000000000000000000000..b7e604bfac44532a5b553f64800532bf97dfe5f8
--- /dev/null
+++ b/test/incremental/function_becomes_inline
@@ -0,0 +1,35 @@
+//#target=x86_64-linux-selfhosted
+#target=x86_64-linux-cbe
+#target=x86_64-windows-cbe
+#update=non-inline version
+#file=main.zig
+pub fn main() !void {
+    try foo();
+}
+fn foo() !void {
+    try std.io.getStdOut().writer().writeAll("Hello, World!\n");
+}
+const std = @import("std");
+#expect_stdout="Hello, World!\n"
+
+#update=make function inline
+#file=main.zig
+pub fn main() !void {
+    try foo();
+}
+inline fn foo() !void {
+    try std.io.getStdOut().writer().writeAll("Hello, World!\n");
+}
+const std = @import("std");
+#expect_stdout="Hello, World!\n"
+
+#update=change string
+#file=main.zig
+pub fn main() !void {
+    try foo();
+}
+inline fn foo() !void {
+    try std.io.getStdOut().writer().writeAll("Hello, `inline` World!\n");
+}
+const std = @import("std");
+#expect_stdout="Hello, `inline` World!\n"
diff --git a/test/incremental/recursive_function_becomes_non_recursive b/test/incremental/recursive_function_becomes_non_recursive
new file mode 100644
index 0000000000000000000000000000000000000000..7a9eb5d26f4f93288f6d71b9cba4be2e9d3ea460
--- /dev/null
+++ b/test/incremental/recursive_function_becomes_non_recursive
@@ -0,0 +1,28 @@
+//#target=x86_64-linux-selfhosted
+#target=x86_64-linux-cbe
+#target=x86_64-windows-cbe
+#update=initial version
+#file=main.zig
+pub fn main() !void {
+    try foo(false);
+}
+fn foo(recurse: bool) !void {
+    const stdout = std.io.getStdOut().writer();
+    if (recurse) return foo(true);
+    try stdout.writeAll("non-recursive path\n");
+}
+const std = @import("std");
+#expect_stdout="non-recursive path\n"
+
+#update=eliminate recursion and change argument
+#file=main.zig
+pub fn main() !void {
+    try foo(true);
+}
+fn foo(recurse: bool) !void {
+    const stdout = std.io.getStdOut().writer();
+    if (recurse) return stdout.writeAll("x==1\n");
+    try stdout.writeAll("non-recursive path\n");
+}
+const std = @import("std");
+#expect_stdout="x==1\n"