lib/std/builtin.zig          |    6 +-
 lib/std/debug.zig            |    8 +
 src/Air.zig                  |    5 +
 src/AstGen.zig               | 1874 ++++++++++++++++++--------------
 src/Liveness.zig             |    2 +
 src/Module.zig               |    6 +
 src/Sema.zig                 |  350 +++++-
 src/Zir.zig                  |   28 +-
 src/arch/aarch64/CodeGen.zig |    6 +
 src/arch/arm/CodeGen.zig     |    6 +
 src/arch/riscv64/CodeGen.zig |    6 +
 src/arch/sparc64/CodeGen.zig |    1 +
 src/arch/wasm/CodeGen.zig    |    1 +
 src/arch/x86_64/CodeGen.zig  |    6 +
 src/codegen/c.zig            |    6 +
 src/codegen/llvm.zig         |   19 +
 src/print_air.zig            |    1 +
 src/print_zir.zig            |   21 +-
 src/value.zig                |    7 +-
 test/behavior/bugs/12891.zig |    1 +
 test/behavior/error.zig      |   13 +
 test/behavior/eval.zig       |   38 +-
 test/stack_traces.zig        |  541 +++++++++
 23 files changed, 2089 insertions(+), 863 deletions(-)