src/InternPool.zig    | 308 ++++++++++++++++++++++++--------
 src/Sema.zig          |  52 +++---
 src/Zcu.zig           | 105 +----------
 src/Zcu/PerThread.zig | 104 ++++++++++-
 4 files changed, 363 insertions(+), 206 deletions(-)