1  /* PR middle-end/23848 */
       2  /* { dg-do compile } */
       3  /* { dg-options "-O2 -fdump-tree-optimized" } */
       4  /* { dg-require-effective-target alloca } */
       5  
       6  void bar (int, char *, char *, char *, char *, int);
       7  void foo (int size)
       8  {
       9    int i;
      10    for (i = 0; i < size; i++)
      11      {
      12        char temp[size];
      13        temp[size-1] = '\0';
      14        {
      15  	char temp2[size];
      16  	{
      17  	  char temp3[size];
      18  	  {
      19  	    char temp4[size];
      20  	    bar (i, temp, temp2, temp3, temp4, size);
      21  	  }
      22  	}
      23        }
      24      }
      25  }
      26  
      27  /* { dg-final { scan-tree-dump-times "__builtin_stack_save" 1 "optimized"} } */
      28  /* { dg-final { scan-tree-dump-times "__builtin_stack_restore" 1 "optimized"} } */