lib/std/zig/ErrorBundle.zig           |   4 +
 src/Compilation.zig                   | 115 ++--------
 src/Sema.zig                          | 262 +++++++++++++----------
 src/Sema/LowerZon.zig                 |  10 +-
 src/Sema/type_resolution.zig          |  93 ++++++--
 src/Zcu.zig                           | 364 +++++++++++++++++++++++++++++---
 src/Zcu/PerThread.zig                 | 224 ++++++++------------
 test/incremental/type_dependency_loop |  55 +++++
 tools/incr-check.zig                  |  76 ++++---
 9 files changed, 763 insertions(+), 440 deletions(-)