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annotate gcc/testsuite/gcc.dg/nrv1.c @ 131:84e7813d76e9

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gcc-8.2
author mir3636
date Thu, 25 Oct 2018 07:37:49 +0900
parents 04ced10e8804
children
Ignore whitespace changes - Everywhere: Within whitespace: At end of lines:
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111
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1 /* Test that the NRV optimization doesn't cause a1 to change too soon. This
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2 is equivalent to c++/19317. */
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3 /* { dg-do run } */
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4
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5 void abort (void);
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6
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7 struct A
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8 {
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9 int i[100];
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10 };
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11
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12 struct A a1;
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13
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14 struct A f ()
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15 {
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16 struct A a2;
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17 a2.i[0] = 42;
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18 /* a1.i[0] should still be 0 until we return. */
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19 if (a1.i[0] != 0)
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20 abort ();
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21 return a2;
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22 }
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23
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24 int main()
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25 {
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26 a1 = f();
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27 return 0;
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28 }