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stage2: Fix corrupted Type when de-referencing field pointer

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This commit is contained in:
Cody Tapscott
2022-07-05 00:58:47 -07:00
committed by Andrew Kelley
parent 6fc9f6c5f6
commit 86570b3e2c
3 changed files with 10 additions and 2 deletions
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4
src/Sema.zig
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@@ -21614,10 +21614,10 @@ fn beginComptimePtrLoad(
deref.ty_without_well_defined_layout = field_ptr.container_ty;
}
const tv = &(deref.pointee orelse {
const tv = deref.pointee orelse {
deref.pointee = null;
break :blk deref;
});
};
const coerce_in_mem_ok =
(try sema.coerceInMemoryAllowed(block, field_ptr.container_ty, tv.ty, false, target, src, src)) == .ok or
(try sema.coerceInMemoryAllowed(block, tv.ty, field_ptr.container_ty, false, target, src, src)) == .ok;

1
test/behavior.zig
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@@ -82,6 +82,7 @@ test {
_ = @import("behavior/bugs/11179.zig");
_ = @import("behavior/bugs/11181.zig");
_ = @import("behavior/bugs/11213.zig");
_ = @import("behavior/bugs/12003.zig");
_ = @import("behavior/byteswap.zig");
_ = @import("behavior/byval_arg_var.zig");
_ = @import("behavior/call.zig");

7
test/behavior/bugs/12003.zig Normal file
View File

@@ -0,0 +1,7 @@
test {
comptime {
const tuple_with_ptrs = .{ &0, &0 };
const field_ptr = (&tuple_with_ptrs.@"0");
_ = field_ptr.*;
}
}