src/Sema.zig                                                                                                                                    | 37 ++++++++++++++++++++++++++++++--
 test/cases/compile_errors/assigning_to_struct_or_union_fields_that_are_not_optionals_with_a_function_that_returns_an_optional.zig               | 23 ++++++++++++++++++++
 test/cases/compile_errors/discarding_error_value.zig                                                                                            |  3 ++-
 test/cases/compile_errors/ignored_deferred_function_call.zig                                                                                    |  3 ++-
 test/cases/compile_errors/ignored_expression_in_while_continuation.zig                                                                          |  9 +++++---
 test/cases/compile_errors/issue_5618_coercion_of_optional_anyopaque_to_anyopaque_must_fail.zig                                                  | 14 ++++++++++++
 test/cases/compile_errors/regression_test_2980_base_type_u32_is_not_type_checked_properly_when_assigning_a_value_within_a_struct.zig            | 23 ++++++++++++++++++++
 test/cases/compile_errors/result_location_incompatibility_mismatching_handle_is_ptr.zig                                                         | 20 +++++++++++++++++
 test/cases/compile_errors/result_location_incompatibility_mismatching_handle_is_ptr_generic_call.zig                                            | 20 +++++++++++++++++
 test/cases/compile_errors/stage1/obj/assigning_to_struct_or_union_fields_that_are_not_optionals_with_a_function_that_returns_an_optional.zig    | 21 ------------------
 test/cases/compile_errors/stage1/obj/issue_5618_coercion_of_optional_anyopaque_to_anyopaque_must_fail.zig                                       | 11 ----------
 test/cases/compile_errors/stage1/obj/regression_test_2980_base_type_u32_is_not_type_checked_properly_when_assigning_a_value_within_a_struct.zig | 21 ------------------
 test/cases/compile_errors/stage1/obj/result_location_incompatibility_mismatching_handle_is_ptr.zig                                              | 18 ----------------
 test/cases/compile_errors/stage1/obj/result_location_incompatibility_mismatching_handle_is_ptr_generic_call.zig                                 | 18 ----------------
 14 files changed, 145 insertions(+), 96 deletions(-)