1  /* PR 41673: bogus -Wstrict-aliasing warning from VLA dereference.  */
       2  /* { dg-do compile } */
       3  /* { dg-options "-std=gnu99 -O2 -Wall" } */
       4  /* { dg-require-effective-target alloca } */
       5  
       6  int main(int argc, char *argv[])
       7  {
       8      float x[argc];
       9      float y[argc];
      10      return 0 == __builtin_memcpy(y, x, argc * sizeof(*x));
      11  }