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