Mercurial > hg > CbC > CbC_gcc
view gcc/testsuite/gcc.dg/nrv1.c @ 111:04ced10e8804
gcc 7
author | kono |
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date | Fri, 27 Oct 2017 22:46:09 +0900 |
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/* Test that the NRV optimization doesn't cause a1 to change too soon. This is equivalent to c++/19317. */ /* { dg-do run } */ void abort (void); struct A { int i[100]; }; struct A a1; struct A f () { struct A a2; a2.i[0] = 42; /* a1.i[0] should still be 0 until we return. */ if (a1.i[0] != 0) abort (); return a2; } int main() { a1 = f(); return 0; }