lib/std/zig/AstGen.zig |  45 +++++++-
 lib/std/zig/Zir.zig    |  17 +++
 src/Sema.zig           | 184 ++++++++++++++++++++++++++++++--
 src/print_zir.zig      |  12 +++
 test/behavior/cast.zig |  64 +++++++++++
 5 files changed, 307 insertions(+), 15 deletions(-)