src/Compilation.zig                         |   8 +--
 src/IncrementalDebugServer.zig              |   2 +-
 src/InternPool.zig                          |  33 ++++++-----
 src/Sema.zig                                |   4 +-
 src/Zcu.zig                                 |   6 +-
 src/Zcu/PerThread.zig                       |  52 +++++++++++-----
 test/incremental/add_remove_struct_fields   |  98 +++++++++++++++++++++++++++++++
 test/incremental/add_remove_toplevel_fields | 101 ++++++++++++++++++++++++++++++++
 8 files changed, 265 insertions(+), 39 deletions(-)