?? nrv1.c
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// PR c++/5636// Bug: the named return value optimization interfered with EH cleanups.int c, d;struct A{ A() { ++c; } ~A() { ++d; }};A f(){ A nrv; throw 42; return nrv;}int main(){ try { A a = f(); } catch (...) { } return (d < c);}?? 快捷鍵說(shuō)明
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