1 // RUN: %clang_cc1 -fobjc-arc -fsyntax-only -Woverriding-method-mismatch %s -verify 2 3 __attribute__((objc_root_class)) 4 @interface NSFoo 5 @end 6 7 // ARC qualifiers stacked with nullability. 8 void accepts_arc_qualified(NSFoo * __unsafe_unretained _Nonnull obj) { 9 accepts_arc_qualified(0); // expected-warning{{null passed to a callee that requires a non-null argument}} 10 } 11