29 lines
460 B
C
29 lines
460 B
C
// { dg-do run }
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// Origin: Mark Mitchell <mark@codesourcery.com>
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// This test case checks that the return value optimization works for
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// empty classes.
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// PR c++/5995
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extern "C" void abort();
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extern "C" int printf (const char *, ...);
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int i;
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struct A;
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struct A* as[10];
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struct A {
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A () { as[i++] = this; }
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A (const A&) { as[i++] = this; }
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~A() { if (i == 0 || as[--i] != this) abort(); }
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};
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A f() { return A(); }
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int main ()
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{
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A a (f ());
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}
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