| // RUN: %clang_cc1 -fobjc-arc -fsyntax-only -Woverriding-method-mismatch %s -verify | |
| __attribute__((objc_root_class)) | |
| @interface NSFoo | |
| @end | |
| // ARC qualifiers stacked with nullability. | |
| void accepts_arc_qualified(NSFoo * __unsafe_unretained _Nonnull obj) { | |
| accepts_arc_qualified(0); // expected-warning{{null passed to a callee that requires a non-null argument}} | |
| } |