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// RUN: %clang_cc1 %s -verify -Wunused -fsyntax-only
int printf(const char *, ...);
@interface Greeter
+ (void) hello;
@end
@implementation Greeter
+ (void) hello {
printf("Hello, World!\n");
}
@end
int test1(void) {
[Greeter hello];
return 0;
}
@interface NSObject @end
@interface NSString : NSObject
- (int)length;
@end
void test2() {
@"pointless example call for test purposes".length; // expected-warning {{property access result unused - getters should not have side effects}}
}
@interface foo
- (int)meth: (int)x: (int)y: (int)z ;
@end
@implementation foo
- (int) meth: (int)x:
(int)y: // expected-warning{{unused}}
(int) __attribute__((unused))z { return x; }
@end
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