lib/test_runner.zig     |  35 ++--
 src/Air.zig             |   2 +-
 src/AstGen.zig          | 346 ++++++++++++++++++--------------
 src/Module.zig          |   7 +
 src/Sema.zig            | 217 +++++++++++++-------
 src/Zir.zig             |  23 ++-
 src/print_zir.zig       |  21 +-
 test/behavior/error.zig |  13 ++
 test/stack_traces.zig   | 184 ++++++++++++++++-
 9 files changed, 597 insertions(+), 251 deletions(-)