lib/std/bounded_array.zig              |    5 +
 lib/std/zig/Zir.zig                    |  660 +++++++++++++++--
 src/Compilation.zig                    |  178 ++---
 src/InternPool.zig                     |  355 ++++++++--
 src/Sema.zig                           |  641 ++++++++++-------
 src/Type.zig                           |    2 +-
 src/Zcu.zig                            |  620 ++++++++++++----
 src/Zcu/PerThread.zig                  | 1222 +++++++++++++++++++++++---------
 src/codegen.zig                        |    2 +-
 src/codegen/c.zig                      |    2 +-
 src/codegen/llvm.zig                   |    6 +-
 src/crash_report.zig                   |   16 +-
 src/link/Dwarf.zig                     |   22 +-
 src/main.zig                           |    5 +-
 test/incremental/add_decl              |   59 ++
 test/incremental/add_decl_namespaced   |   59 ++
 test/incremental/delete_comptime_decls |   38 +
 test/incremental/unreferenced_error    |   38 +
 tools/incr-check.zig                   |  207 +++++-
 19 files changed, 3171 insertions(+), 966 deletions(-)