lib/std/zig/Ast.zig                                                             |  18 -
 lib/std/zig/AstGen.zig                                                          | 149 +++++----
 lib/std/zig/Zir.zig                                                             | 135 ++++++--
 src/Sema.zig                                                                    | 564 ++++++++++++++++++++++----------
 src/Zcu.zig                                                                     |  88 +++--
 src/print_zir.zig                                                               |  55 +++-
 test/behavior/switch.zig                                                        |  52 ++-
 test/behavior/switch_loop.zig                                                   |  24 ++
 test/cases/compile_errors/switch_expression-non_exhaustive_inline.zig           |  27 ++
 test/cases/compile_errors/switch_expression-non_exhaustive_unreachable_else.zig |  18 +
 test/cases/compile_errors/switching_with_non-exhaustive_enums.zig               |   2 +-
 11 files changed, 769 insertions(+), 363 deletions(-)