gcc/testsuite/gcc.dg/torture/pr56689.c

   1 /* { dg-do compile } */
   2
   3 extern int baz ();
   4 extern void bar (void);
   5 extern void noret (void)   __attribute__ ((__noreturn__));
   6
   7 void
   8 fix_register (const char *name, int fixed, int call_used, int nregs)
   9 {
  10   int i;
  11   int reg;
  12
  13   if ((reg = baz ()) >= 0)
  14     {
  15       for (i = reg; i < nregs; i++)
  16         {
  17           if ((i == 15 || i == 11) && (fixed == 0 || call_used == 0))
  18             {
  19               switch (fixed)
  20                 {
  21                 case 0:
  22                   switch (call_used)
  23                     {
  24                     case 1:
  25                       bar ();
  26                       break;
  27                     default:
  28                       (noret ());
  29                     }
  30                 case 1:
  31                   switch (call_used)
  32                     {
  33                     case 1:
  34                       break;
  35                     case 0:
  36                     default:
  37                       (noret ());
  38                     }
  39                   break;
  40                 default:
  41                   (noret ());
  42                 }
  43             }
  44         }
  45     }
  46 }