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Sema+llvm: improve handling of namespace-like unions

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Closes #13557
This commit is contained in:
Veikka Tuominen
2022-11-16 01:11:12 +02:00
parent fe6249348f
commit 28cbe5e92a
3 changed files with 26 additions and 5 deletions
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4
src/codegen/llvm.zig
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@@ -2137,7 +2137,8 @@ pub const Object = struct {
break :blk fwd_decl;
};
if (!ty.hasRuntimeBitsIgnoreComptime()) {
const union_obj = ty.cast(Type.Payload.Union).?.data;
if (!union_obj.haveFieldTypes() or !ty.hasRuntimeBitsIgnoreComptime()) {
const union_di_ty = try o.makeEmptyNamespaceDIType(owner_decl_index);
dib.replaceTemporary(fwd_decl, union_di_ty);
// The recursive call to `lowerDebugType` via `makeEmptyNamespaceDIType`
@@ -2147,7 +2148,6 @@ pub const Object = struct {
}
const layout = ty.unionGetLayout(target);
const union_obj = ty.cast(Type.Payload.Union).?.data;
if (layout.payload_size == 0) {
const tag_di_ty = try o.lowerDebugType(union_obj.tag_ty, .full);