1  /* PR middle-end/92936 - missing warning on a past-the-end store to a PHI
       2     Test case derived from gcc/opts-common.c.
       3     { dg-do compile }
       4     { dg-options "-O2 -Wall" } */
       5  
       6  typedef __SIZE_TYPE__ size_t;
       7  
       8  char* f (const void*, ...);
       9  
      10  const char *
      11  candidates_list_and_hint (const char *arg, char **str, const char *a[])
      12  {
      13    size_t len = 0;
      14    int i;
      15  
      16    for (i = 0; a[i]; ++i)
      17      len += __builtin_strlen (a[i]) + 1;
      18  
      19    char *p = (char*)__builtin_malloc (len);
      20    *str = p;
      21  
      22    for (i = 0; a[i]; ++i)
      23      {
      24        len = __builtin_strlen (a[i]);
      25        __builtin_memcpy (p, a[i], len);
      26        p[len] = ' ';
      27        p += len + 1;
      28      }
      29  
      30    p[-1] = '\0';     // { dg-bogus "\\\[-Wstringop-overflow" }
      31  
      32    return f (arg, &a);
      33  }