src/Sema.zig                                                     | 10 ++++++++++
 test/cases/compile_errors/reify_type_for_tagged_extern_union.zig | 34 ++++++++++++++++++++++++++++++++
 test/cases/compile_errors/reify_type_for_tagged_packed_union.zig | 34 ++++++++++++++++++++++++++++++++
 3 files changed, 78 insertions(+)