BRANCH_TODO         |   3 +
 lib/std/builtin.zig |   2 +-
 src/AstGen.zig      | 301 ++++++++++++----
 src/Module.zig      | 151 +++++---
 src/Sema.zig        | 151 +++++---
 src/Zir.zig         | 591 ++++++++++++++++++++------------
 6 files changed, 809 insertions(+), 390 deletions(-)