src/AstGen.zig                                                 | 169 +++++++++++++++++++++++++-------
 src/Module.zig                                                 |   2 +-
 src/Sema.zig                                                   |  75 ++++++++------
 src/Zir.zig                                                    |   9 +-
 src/print_zir.zig                                              |   3 +-
 test/cases/compile_errors/incompatible sub-byte fields.zig     |   2 +
 test/cases/compile_errors/missing_else_clause.zig              |   2 +
 test/cases/compile_errors/missing_result_type_for_phi_node.zig |   2 +
 test/cases/compile_errors/unused_value_in_switch_in_loop.zig   |   2 +
 9 files changed, 199 insertions(+), 67 deletions(-)