llvm-project/clang/test/SemaObjCXX/warn-called-once.mm

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// RUN: %clang_cc1 -verify -fsyntax-only -fblocks -Wcompletion-handler %s
// expected-no-diagnostics
class HasCtor {
HasCtor(void *) {}
};
void double_call_one_block(void (^completionHandler)(void)) {
completionHandler();
completionHandler();
// no-warning - we don't support C++/Obj-C++ yet
}