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43 lines
1.3 KiB
43 lines
1.3 KiB
4 months ago
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// RUN: %clang_cc1 -x objective-c++ -std=c++11 -fobjc-arc -fblocks -Wimplicit-retain-self -verify %s
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// rdar://11194874
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typedef void (^BlockTy)();
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void noescapeFunc(__attribute__((noescape)) BlockTy);
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void escapeFunc(BlockTy);
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@interface Root @end
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@interface I : Root
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{
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int _bar;
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}
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@end
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@implementation I
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- (void)foo{
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^{
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_bar = 3; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
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}();
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}
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- (void)testNested{
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noescapeFunc(^{
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(void)_bar;
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escapeFunc(^{
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(void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
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noescapeFunc(^{
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(void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
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});
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(void)_bar; // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
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});
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(void)_bar;
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});
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}
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- (void)testLambdaInBlock{
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noescapeFunc(^{ [&](){ (void)_bar; }(); });
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escapeFunc(^{ [&](){ (void)_bar; }(); }); // expected-warning {{block implicitly retains 'self'; explicitly mention 'self' to indicate this is intended behavior}}
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}
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@end
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