src/AstGen.zig                                                                     |   9 --
 src/Sema.zig                                                                       | 168 ++++++++++++++++----------------
 src/print_zir.zig                                                                  |  15 ++-
 src/type.zig                                                                       |   5 +-
 test/behavior.zig                                                                  |   1 +
 test/behavior/empty_union.zig                                                      |  54 ++++++++++
 test/cases/compile_errors/enum_with_0_fields.zig                                   |   7 --
 test/cases/compile_errors/reify_type_for_exhaustive_enum_with_zero_fields.zig      |  18 ----
 test/cases/compile_errors/reify_type_for_union_with_zero_fields.zig                |  17 ----
 test/cases/compile_errors/union_fields_with_value_assignments.zig                  |   7 --
 test/cases/compile_errors/union_with_0_fields.zig                                  |   7 --
 test/cases/compile_errors/using_invalid_types_in_function_call_raises_an_error.zig |  11 ---
 test/stage2/cbe.zig                                                                |   9 --
 13 files changed, 153 insertions(+), 175 deletions(-)