86 lines
1.4 KiB
Plaintext
86 lines
1.4 KiB
Plaintext
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// RUN: %clang_cc1 -x objective-c++ -fblocks -triple x86_64-apple-darwin -fobjc-runtime=macosx-fragile-10.5 %s -verify -std=c++11 -emit-llvm -o %t
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// rdar://8979379
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@interface A
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@end
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@interface B : A
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@end
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void f(int (^bl)(B* b));
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void takeBlock(void (^block)());
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void useValues(...);
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// Test1
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void g() {
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f(^(A* a) { return 0; });
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}
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// Test2
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void g1() {
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int (^bl)(B* b) = ^(A* a) { return 0; };
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}
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// Test3
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@protocol NSObject;
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void bar(id(^)(void));
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void foo(id <NSObject>(^objectCreationBlock)(void)) {
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return bar(objectCreationBlock);
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}
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// Test4
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struct S {
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S *(^a)() = ^{
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return this;
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};
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};
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S s;
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// Test5
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struct X {
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void f() {
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^ {
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struct Nested { Nested *ptr = this; };
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} ();
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};
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};
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// Regression test for PR13314
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class FooClass { };
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void fun() {
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FooClass foovar;
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^() { // expected-warning {{expression result unused}}
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return foovar;
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};
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}
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void gun() {
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FooClass foovar;
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[=]() { // expected-warning {{expression result unused}}
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return foovar;
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};
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}
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// PR24780
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class CaptureThisAndAnotherPointer {
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void test(void *ptr) {
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takeBlock(^{ useValues(ptr, this); });
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}
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};
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// rdar://problem/23713871
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// Check that we don't crash when using BLOCK_LAYOUT_STRONG.
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#pragma clang assume_nonnull begin
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@interface NSUUID @end
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#pragma clang assume_nonnull end
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struct Wrapper1 { NSUUID *Ref; };
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struct Wrapper2 { Wrapper1 W1; };
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@implementation B
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- (void) captureStrongRef {
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__block Wrapper2 W2;
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}
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@end
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