The list of warnings below should NEVER grow. It should gradually shrink to 0.
-CHECK: Warnings without flags (275):
+CHECK: Warnings without flags (274):
CHECK-NEXT: ext_anon_param_requires_type_specifier
CHECK-NEXT: ext_anonymous_struct_union_qualified
CHECK-NEXT: ext_array_init_copy
CHECK-NEXT: warn_attribute_ignored
CHECK-NEXT: warn_attribute_ignored_for_field_of_type
CHECK-NEXT: warn_attribute_malloc_pointer_only
-CHECK-NEXT: warn_attribute_method_def
CHECK-NEXT: warn_attribute_nonnull_no_pointers
CHECK-NEXT: warn_attribute_precede_definition
CHECK-NEXT: warn_attribute_sentinel_named_arguments