lib/std/Thread/Mutex.zig | 177 +++++-----
 src/Sema.zig             |   6 +
 src/crash_report.zig     | 581 ++++++++++++++++++++++++++++++++
 src/main.zig             |   6 +
 src/print_zir.zig        | 342 +++++++++++--------
 5 files changed, 893 insertions(+), 219 deletions(-)