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// RUN: %clang_cc1 %s -fblocks -verify -fsyntax-only
@interface NSObject
@end
@interface Test : NSObject
- (void)test;
@end
@implementation Test
- (void)test
{
void (^simpleBlock)() = ^ _Nonnull { //expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}}
return;
};
void (^simpleBlock2)() = ^ _Nonnull void { //expected-error {{nullability specifier '_Nonnull' cannot be applied to non-pointer type 'void'}}
return;
};
void (^simpleBlock3)() = ^ _Nonnull (void) { //expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}}
return;
};
void (^simpleBlock4)() = ^ const { //expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}}
return;
};
void (^simpleBlock5)() = ^ const void { //expected-error {{incompatible block pointer types initializing 'void (^)()' with an expression of type 'const void (^)(void)'}}
return; // expected-warning@-1 {{function cannot return qualified void type 'const void'}}
};
void (^simpleBlock6)() = ^ const (void) { //expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}}
return;
};
void (^simpleBlock7)() = ^ _Nonnull __attribute__((align_value(128))) _Nullable const (void) { // expected-warning {{attribute '_Nullable' ignored, because it cannot be applied to omitted return type}} \
// expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}} \
// expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}} \
// expected-warning {{'align_value' attribute only applies to variables and typedefs}}
return;
};
void (^simpleBlock9)() = ^ __attribute__ ((align_value(128))) _Nonnull const (void) { // expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}} \
// expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}} \
// expected-warning {{'align_value' attribute only applies to variables and typedefs}}
return;
};
}
@end
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