Commit 4961044ce8d06f43bf6f43c103433d70a1fbd79a | zig

2 files changed, 28 insertions(+), 3 deletions(-)

src/AstGen.zig+5-1

...	...	@@ -5570,7 +5570,11 @@ fn ifExpr(
5570	5570	};
5571	5571	} else .{
5572	5572	.src = if_full.ast.then_expr,
5573		.result = .none,
	5573	.result = switch (rl) {
	5574	// Explicitly store void to ptr result loc if there is no else branch
	5575	.ptr, .block_ptr => try rvalue(&else_scope, rl, .void_value, node),
	5576	else => .none,
	5577	},
5574	5578	};
5575	5579
5576	5580	const break_tag: Zir.Inst.Tag = if (parent_gz.force_comptime) .break_inline else .@"break";

test/cases/compile_errors/missing_else_clause.zig+23-2

...	...	@@ -6,11 +6,32 @@ fn g(b: bool) void {
6	6	const y = if (b) h: { break :h @as(i32, 1); };
7	7	_ = y;
8	8	}
9		export fn entry() void { f(true); g(true); }
10
	9	fn h() void {
	10	// https://github.com/ziglang/zig/issues/12743
	11	const T = struct { oh_no: *u32 };
	12	var x: T = if (false) {};
	13	_ = x;
	14	}
	15	fn k(b: bool) void {
	16	// block_ptr case
	17	const T = struct { oh_no: u32 };
	18	var x = if (b) blk: {
	19	break :blk if (false) T{ .oh_no = 2 };
	20	} else T{ .oh_no = 1 };
	21	_ = x;
	22	}
	23	export fn entry() void {
	24	f(true);
	25	g(true);
	26	h();
	27	k(true);
	28	}
11	29	// error
12	30	// backend=stage2
13	31	// target=native
14	32	//
15	33	// :2:21: error: incompatible types: 'i32' and 'void'
16	34	// :6:15: error: incompatible types: 'i32' and 'void'
	35	// :12:16: error: expected type 'tmp.h.T', found 'void'
	36	// :11:15: note: struct declared here
	37	// :18:9: error: incompatible types: 'void' and 'tmp.k.T'