src/Sema.zig                                                                                     | 108 +++++++++++++++++++++++---------
 test/behavior/align.zig                                                                          |   4 +-
 test/behavior/bugs/1310.zig                                                                      |   4 +-
 test/cases/compile_errors/directly_embedding_opaque_type_in_struct_and_union.zig                 |  38 +++++++++++
 test/cases/compile_errors/extern_struct_with_extern-compatible_but_inferred_integer_tag_type.zig |   6 +-
 test/cases/compile_errors/extern_struct_with_non-extern-compatible_integer_tag_type.zig          |   6 +-
 test/cases/compile_errors/invalid_optional_type_in_extern_struct.zig                             |   4 +-
 test/cases/compile_errors/stage1/obj/directly_embedding_opaque_type_in_struct_and_union.zig      |  29 ---------
 8 files changed, 129 insertions(+), 70 deletions(-)