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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" } } */