1// RUN: %clang_cc1 %s -fblocks -verify -fsyntax-only 2 3@interface NSObject 4@end 5 6@interface Test : NSObject 7- (void)test; 8@end 9 10@implementation Test 11- (void)test 12{ 13 void (^simpleBlock)() = ^ _Nonnull { //expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}} 14 return; 15 }; 16 void (^simpleBlock2)() = ^ _Nonnull void { //expected-error {{nullability specifier '_Nonnull' cannot be applied to non-pointer type 'void'}} 17 return; 18 }; 19 void (^simpleBlock3)() = ^ _Nonnull (void) { //expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}} 20 return; 21 }; 22 23 void (^simpleBlock4)() = ^ const { //expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}} 24 return; 25 }; 26 void (^simpleBlock5)() = ^ const void { //expected-error {{incompatible block pointer types initializing 'void (^)()' with an expression of type 'const void (^)(void)'}} 27 return; // expected-warning@-1 {{function cannot return qualified void type 'const void'}} 28 }; 29 void (^simpleBlock6)() = ^ const (void) { //expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}} 30 return; 31 }; 32 void (^simpleBlock7)() = ^ _Nonnull __attribute__((align_value(128))) _Nullable const (void) { // expected-warning {{attribute '_Nullable' ignored, because it cannot be applied to omitted return type}} \ 33 // expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}} \ 34 // expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}} \ 35 // expected-warning {{'align_value' attribute only applies to variables and typedefs}} 36 return; 37 }; 38 void (^simpleBlock9)() = ^ __attribute__ ((align_value(128))) _Nonnull const (void) { // expected-warning {{attribute '_Nonnull' ignored, because it cannot be applied to omitted return type}} \ 39 // expected-warning {{'const' qualifier on omitted return type '<dependent type>' has no effect}} \ 40 // expected-warning {{'align_value' attribute only applies to variables and typedefs}} 41 return; 42 }; 43} 44@end 45