The list of warnings below should NEVER grow. It should gradually shrink to 0.
-CHECK: Warnings without flags (68):
+CHECK: Warnings without flags (67):
CHECK-NEXT: ext_expected_semi_decl_list
CHECK-NEXT: ext_explicit_specialization_storage_class
CHECK-NEXT: warn_missing_whitespace_after_macro_name
CHECK-NEXT: warn_mt_message
CHECK-NEXT: warn_no_constructor_for_refconst
-CHECK-NEXT: warn_no_support_for_eval_method_source_on_m32
CHECK-NEXT: warn_not_compound_assign
CHECK-NEXT: warn_objc_property_copy_missing_on_block
CHECK-NEXT: warn_objc_protocol_qualifier_missing_id