1  /* PR middle-end/37009 */
       2  /* { dg-do run { target { { i?86-*-* x86_64-*-* } && ia32 } } } */
       3  /* { dg-additional-options "-mincoming-stack-boundary=2 -mpreferred-stack-boundary=2" } */
       4  
       5  #include "check.h"
       6  
       7  void
       8  bar (char *p, int size)
       9  {
      10    __builtin_strncpy (p, "good", size);
      11  }
      12  
      13  void
      14  __attribute__ ((noinline))
      15  foo (double x, double y ,double z ,double a, int size)
      16  {
      17    char *p = __builtin_alloca (size + 1);
      18    double i;
      19  
      20    bar (p, size);
      21    if (__builtin_strncmp (p, "good", size) != 0)
      22      {
      23  #ifdef DEBUG
      24        p[size] = '\0';
      25        printf ("Failed: %s != good\n", p);
      26  #endif
      27       abort ();
      28      }
      29  
      30    check (&i, __alignof__(i));
      31  }
      32  
      33  int
      34  main (void)
      35  {
      36    double x =  1.0 ;
      37   
      38    foo (x, x, x, x, 5);
      39  
      40    return 0;
      41  }