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1// RUN: %clang_cc1 -fsyntax-only -fblocks -Wno-objc-root-class -verify %s2 3void TestObjcBlock(void) {4 void (^x)(void) = ^(void) {5 __attribute__((musttail)) return TestObjcBlock(); // expected-error{{'musttail' attribute cannot be used from a block}}6 };7 __attribute__((musttail)) return x();8}9 10void ReturnsVoid(void);11void TestObjcBlockVar(void) {12 __block int i = 0; // expected-note{{jump exits scope of __block variable}}13 __attribute__((musttail)) return ReturnsVoid(); // expected-error{{cannot perform a tail call from this return statement}}14}15 16__attribute__((objc_root_class))17@interface TestObjcClass18@end19 20@implementation TestObjcClass21 22- (void)testObjCMethod {23 __attribute__((musttail)) return ReturnsVoid(); // expected-error{{'musttail' attribute cannot be used from an Objective-C function}}24}25 26@end27