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.
8void 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