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LLVM lowerDebugType: Lower union types without a layout into an empty namespace

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Anton Lilja 2024-03-17 12:25:09 +01:00 committed by GitHub
parent f88a971e4f
commit 294f51814f
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2 changed files with 19 additions and 1 deletions
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5
src/codegen/llvm.zig
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@ -2598,7 +2598,10 @@ pub const Object = struct {
defer gpa.free(name);
const union_type = ip.loadUnionType(ty.toIntern());
if (!union_type.haveFieldTypes(ip) or !ty.hasRuntimeBitsIgnoreComptime(mod)) {
if (!union_type.haveFieldTypes(ip) or
!ty.hasRuntimeBitsIgnoreComptime(mod) or
!union_type.haveLayout(ip))
{
const debug_union_type = try o.makeEmptyNamespaceDebugType(owner_decl_index);
try o.debug_type_map.put(gpa, ty, debug_union_type);
return debug_union_type;

15
test/cases/union_unresolved_layout.zig Normal file
View File

@ -0,0 +1,15 @@
const std = @import("std");
const U = union(enum) {
foo: u8,
bar: f64,
};
pub fn main() !void {
const t = U.foo;
_ = t;
}
// run
// backend=llvm
//