lib/std/zig/AstGen.zig | 421 ++++++++++++++++----------------
 lib/std/zig/Zir.zig    |  16 +-
 src/InternPool.zig     |   4 +-
 src/Sema.zig           |  46 ++--
 src/codegen/c.zig      |  84 ++++++-
 test/behavior/fn.zig   |  80 ++++++
 6 files changed, 398 insertions(+), 253 deletions(-)