31 lines
632 B
C
31 lines
632 B
C
/* PR optimization/12198
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This was a miscompilation of a switch expressions because
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the "Case Ranges" extension wasn't handled in tree-cfg.c. */
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/* { dg-do compile } */
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/* { dg-options "-O -fdump-tree-optimized" } */
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extern void abort (void);
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extern void exit (int);
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int main()
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{
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int i;
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i = 2;
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switch (i)
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{
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case 1 ... 5:
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goto L1;
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default:
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abort ();
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goto L1;
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}
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L1:
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exit(0);
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}
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/* The abort() call clearly is unreachable. */
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/* { dg-final { scan-tree-dump-times "abort" 0 "optimized"} } */
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/* { dg-final { cleanup-tree-dump "optimized" } } */
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