src/Compilation.zig   |  19 +-
 src/Sema.zig          |  50 +++---
 src/Zcu.zig           | 241 ++++++++++++++++++++-----
 src/Zcu/PerThread.zig | 300 ++++++++++++++++++++------------
 4 files changed, 418 insertions(+), 192 deletions(-)