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Backported from mainline
[pf3gnuchains/gcc-fork.git]
/
gcc
/
testsuite
/
gcc.c-torture
/
execute
/
pr49161.c
1
/* PR tree-optimization/49161 */
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3
extern void abort (void);
4
5
int c;
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__attribute__((noinline, noclone)) void
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bar (int x)
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{
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if (x != c++)
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abort ();
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}
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__attribute__((noinline, noclone)) void
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foo (int x)
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{
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switch (x)
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{
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case 3: goto l1;
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case 4: goto l2;
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case 6: goto l3;
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default: return;
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}
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l1:
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goto l4;
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l2:
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goto l4;
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l3:
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bar (-1);
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l4:
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bar (0);
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if (x != 4)
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bar (1);
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if (x != 3)
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bar (-1);
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bar (2);
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}
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int
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main ()
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{
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foo (3);
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if (c != 3)
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abort ();
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return 0;
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}