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PR preprocessor/30805:
[pf3gnuchains/gcc-fork.git]
/
gcc
/
testsuite
/
gcc.dg
/
nrv1.c
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/* Test that the NRV optimization doesn't cause a1 to change too soon. This
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is equivalent to c++/19317. */
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/* { dg-do run } */
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void abort (void);
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struct A
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{
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int i[100];
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};
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struct A a1;
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struct A f ()
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{
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struct A a2;
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a2.i[0] = 42;
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/* a1.i[0] should still be 0 until we return. */
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if (a1.i[0] != 0)
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abort ();
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return a2;
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}
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int main()
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{
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a1 = f();
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return 0;
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}