test/behavior.zig                                        |  1 -
 test/behavior/empty_union.zig                            | 66 --------------------------
 test/behavior/enum.zig                                   | 23 +++++++++
 test/cases/compile_errors/empty_extern_union.zig         |  8 ++++
 test/cases/compile_errors/empty_packed_union.zig         |  8 ++++
 test/cases/compile_errors/initialize_empty_union.zig     | 81 ++++++++++++++++++++++++++++++++
 test/cases/compile_errors/sizeof_alignof_empty_union.zig | 75 +++++++++++++++++++++++++++++
 7 files changed, 195 insertions(+), 67 deletions(-)