Commit 8d1fdfc8ede94b1aea524041c1df10c42d4002e4 | zig

Closes #12928

3 files changed, 30 insertions(+), 0 deletions(-)

src/Sema.zig+3

...	...	@@ -22027,6 +22027,7 @@ fn structFieldPtrByIndex(
22027	22027	var ptr_ty_data: Type.Payload.Pointer.Data = .{
22028	22028	.pointee_type = field.ty,
22029	22029	.mutable = struct_ptr_ty_info.mutable,
	22030	.@"volatile" = struct_ptr_ty_info.@"volatile",
22030	22031	.@"addrspace" = struct_ptr_ty_info.@"addrspace",
22031	22032	};
22032	22033
...	...	@@ -22246,6 +22247,7 @@ fn unionFieldPtr(
22246	22247	const ptr_field_ty = try Type.ptr(arena, sema.mod, .{
22247	22248	.pointee_type = field.ty,
22248	22249	.mutable = union_ptr_ty.ptrIsMutable(),
	22250	.@"volatile" = union_ptr_ty.isVolatilePtr(),
22249	22251	.@"addrspace" = union_ptr_ty.ptrAddressSpace(),
22250	22252	});
22251	22253	const enum_field_index = @intCast(u32, union_obj.tag_ty.enumFieldIndex(field_name).?);
...	...	@@ -22568,6 +22570,7 @@ fn tupleFieldPtr(
22568	22570	const ptr_field_ty = try Type.ptr(sema.arena, sema.mod, .{
22569	22571	.pointee_type = field_ty,
22570	22572	.mutable = tuple_ptr_ty.ptrIsMutable(),
	22573	.@"volatile" = tuple_ptr_ty.isVolatilePtr(),
22571	22574	.@"addrspace" = tuple_ptr_ty.ptrAddressSpace(),
22572	22575	});
22573	22576

test/behavior.zig+1

...	...	@@ -93,6 +93,7 @@ test {
93	93	_ = @import("behavior/bugs/12794.zig");
94	94	_ = @import("behavior/bugs/12801-1.zig");
95	95	_ = @import("behavior/bugs/12801-2.zig");
	96	_ = @import("behavior/bugs/12928.zig");
96	97	_ = @import("behavior/byteswap.zig");
97	98	_ = @import("behavior/byval_arg_var.zig");
98	99	_ = @import("behavior/call.zig");

test/behavior/bugs/12928.zig created+26

...	...	@@ -0,0 +1,26 @@
	1	const std = @import("std");
	2	const expect = std.testing.expect;
	3	const A = extern struct {
	4	value: *volatile B,
	5	};
	6	const B = extern struct {
	7	a: u32,
	8	b: i32,
	9	};
	10	test {
	11	var a: *A = undefined;
	12	try expect(@TypeOf(&a.value.a) == *volatile u32);
	13	try expect(@TypeOf(&a.value.b) == *volatile i32);
	14	}
	15	const C = extern struct {
	16	value: *volatile D,
	17	};
	18	const D = extern union {
	19	a: u32,
	20	b: i32,
	21	};
	22	test {
	23	var c: *C = undefined;
	24	try expect(@TypeOf(&c.value.a) == *volatile u32);
	25	try expect(@TypeOf(&c.value.b) == *volatile i32);
	26	}