1 // RUN: %clang_cc1 -triple x86_64-apple-darwin10 -fsyntax-only -verify %s 2 static id __attribute((objc_gc(weak))) a; 3 static id __attribute((objc_gc(strong))) b; 4 5 static id __attribute((objc_gc())) c; // expected-error{{'objc_gc' attribute requires a string}} 6 static id __attribute((objc_gc(123))) d; // expected-error{{'objc_gc' attribute requires a string}} 7 static id __attribute((objc_gc(foo, 456))) e; // expected-error{{'objc_gc' attribute takes one argument}} 8 static id __attribute((objc_gc(hello))) f; // expected-warning{{'objc_gc' attribute argument not supported: 'hello'}} 9 10 static int __attribute__((objc_gc(weak))) g; // expected-warning {{'objc_gc' only applies to pointer types; type here is 'int'}} 11 12 static __weak int h; // expected-warning {{'__weak' only applies to pointer types; type here is 'int'}} 13 14 // TODO: it would be great if this reported as __weak 15 #define WEAK __weak 16 static WEAK int h; // expected-warning {{'objc_gc' only applies to pointer types; type here is 'int'}} 17 18 /* expected-warning {{'__weak' only applies to pointer types; type here is 'int'}}*/ static __we\ 19 ak int i; 20 21 // rdar://problem/9126213 22 void test2(id __attribute((objc_gc(strong))) *strong, 23 id __attribute((objc_gc(weak))) *weak) { 24 void *opaque; 25 opaque = strong; 26 strong = opaque; 27 28 opaque = weak; 29 weak = opaque; 30 } 31
