1  /* PR c/78775 - [7 Regression] ICE in maybe_warn_alloc_args_overflow
       2     { dg-do compile }
       3     { dg-options "-O2" } */
       4  
       5  int a, b, *c;
       6  
       7  int main (void)
       8  {
       9    unsigned long d = 0;
      10    while (1)
      11      {
      12        switch (b)
      13        case 'S':
      14  	d = a;
      15        c = __builtin_malloc (d);
      16      }
      17  
      18    return 0;
      19  }