29 lines
390 B
C
29 lines
390 B
C
/* { dg-do compile } */
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/* { dg-options "-O -fdump-tree-fre" } */
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struct a
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{
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union
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{
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int a;
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int b;
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};
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union
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{
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int c;
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int d;
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};
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};
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int f(struct a *c)
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{
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int d = c->a;
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c->c = 1;
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return c->a + d;
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}
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/* We should have CSEd the load from c->a. */
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/* { dg-final { scan-tree-dump-times "c_.*\\\.a" 1 "fre" } } */
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/* { dg-final { cleanup-tree-dump "fre" } } */
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