1325384b32
Fixes PR13314, clang crashing on blocks refering to an enclosing local when the enclosing function returns void. llvm-svn: 160089
62 lines
958 B
Plaintext
62 lines
958 B
Plaintext
// 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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// 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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