src/Compilation.zig   |  75 +++------
 src/InternPool.zig    | 182 +++++++++++++++++---
 src/Sema.zig          |  11 +-
 src/Zcu.zig           |  43 +----
 src/Zcu/PerThread.zig | 287 +++++++++++++++++++++-----------
 5 files changed, 382 insertions(+), 216 deletions(-)