src/AstGen.zig                                             | 228 ++++++++++++++++++++++++--------
 src/Sema.zig                                               |  17 ++-
 src/Zir.zig                                                |  12 ++
 src/test.zig                                               |  22 +--
 src/type.zig                                               |   4 +-
 test/behavior.zig                                          |   1 -
 test/behavior/bugs/1120.zig                                |  25 ----
 test/behavior/bugs/6781.zig                                |   9 +-
 test/behavior/defer.zig                                    |   5 +-
 test/behavior/eval.zig                                     |   2 -
 test/cases/compile_errors/incompatible sub-byte fields.zig |  27 ++++
 11 files changed, 247 insertions(+), 105 deletions(-)