x86_64: fix passing register-sized payload as non-reigster-sized union

Closes #17885
2023-11-06 07:27:55 -05:00
parent 62e67a2b56
commit 9ced27dace
3 changed files with 25 additions and 3 deletions
--- a/src/InternPool.zig
+++ b/src/InternPool.zig
@@ -1887,7 +1887,7 @@ pub fn loadUnionType(ip: *InternPool, key: Key.UnionType) UnionType {
        .namespace = type_union.data.namespace,
        .enum_tag_ty = enum_ty,
        .int_tag_ty = enum_info.tag_ty,
-        .size = type_union.data.padding,
+        .size = type_union.data.size,
        .padding = type_union.data.padding,
        .field_names = enum_info.names,
        .names_map = enum_info.names_map,