doc/langref.html.in                                                                         |  12 +++---
 lib/std/child_process.zig                                                                   |   4 +-
 lib/std/os.zig                                                                              |   2 +-
 lib/std/zig/render.zig                                                                      |   4 +-
 src/AstGen.zig                                                                              |   6 +--
 src/AstRlAnnotate.zig                                                                       |   2 +-
 src/BuiltinFn.zig                                                                           |   6 +--
 src/Sema.zig                                                                                |  68 ++++++++++++++++++++++----------
 src/Zir.zig                                                                                 |   4 +-
 src/print_zir.zig                                                                           |   2 +-
 stage1/zig1.wasm                                                                            | Bin 2557577 -> 2547644 bytes
 test/behavior/error.zig                                                                     |  20 +++++++++-
 test/cases/compile_errors/explicit_error_set_cast_known_at_comptime_violates_error_sets.zig |   2 +-
 test/cases/compile_errors/int_to_err_non_global_invalid_number.zig                          |   2 +-
 test/cases/safety/@errSetCast error not present in destination.zig                          |  21 ----------
 test/cases/safety/@errorCast error not present in destination.zig                           |  21 ++++++++++
 16 files changed, 110 insertions(+), 66 deletions(-)