src/Sema.zig                                                                             | 156 ++++++++++++++++++++++++++------
 test/behavior/packed-struct.zig                                                          |  28 +-----
 test/behavior/sizeof_and_typeof.zig                                                      |   2 +
 test/behavior/struct.zig                                                                 |   6 +-
 test/cases/compile_errors/packed_struct_with_fields_of_not_allowed_types.zig             |  84 +++++++++++++++++
 test/cases/compile_errors/stage1/test/packed_struct_with_fields_of_not_allowed_types.zig |  74 ---------------
 6 files changed, 217 insertions(+), 133 deletions(-)