gcc/testsuite/gcc.dg/tree-ssa/pr23848-2.c

   1 /* PR middle-end/23848 */
   2 /* { dg-do compile } */
   3 /* { dg-options "-O2 -fdump-tree-optimized" } */
   4
   5 void bar (char *, char *, char *, char *, int);
   6 void foo (int size)
   7 {
   8   char temp[size];
   9   temp[size-1] = '\0';
  10   {
  11     char temp2[size];
  12     {
  13       char temp3[size];
  14       {
  15         char temp4[size];
  16         bar (temp, temp2, temp3, temp4, size);
  17       }
  18     }
  19     bar (temp, temp2, (char *) 0, (char *) 0, size);
  20   }
  21 }
  22
  23 /* { dg-final { scan-tree-dump-times "__builtin_stack_save" 1 "optimized"} } */
  24 /* { dg-final { scan-tree-dump-times "__builtin_stack_restore" 1 "optimized"} } */
  25 /* { dg-final { cleanup-tree-dump "optimized" } } */