gcc/testsuite/gcc.dg/pr80632.c

   1 /* PR tree-optimization/80632 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2" } */
   4
   5 extern int bar (void);
   6 extern void baz (void);
   7 int a;
   8
   9 int
  10 foo (void)
  11 {
  12   int c = 8;
  13   if (bar ())
  14     {
  15       baz ();
  16       switch (a)
  17         {
  18         case 0:
  19           c = 1;
  20           break;
  21         case 1:
  22           c = 0;
  23           break;
  24         case 2:
  25           c = 0;
  26           break;
  27         case 3:
  28           c = 0;
  29           break;
  30         default:
  31           c = 1;
  32         }
  33     }
  34   return c;
  35 }