gcc/testsuite/gcc.dg/20020525-1.c

   1 /* PR optimization/6703
   2    Origin: Glen Nakamura <glen@imodulo.com> */
   3 /* { dg-do run } */
   4 /* { dg-options "-O2" } */
   5
   6 extern void abort (void);
   7 extern void exit (int);
   8
   9 void foo (int *x, int y)
  10 {
  11   __builtin_memset (x, 0, y);
  12 }
  13
  14 int main ()
  15 {
  16   int x[2] = { -1, -1 };
  17
  18   if (x[1] != -1)
  19     abort ();
  20   foo (x, sizeof (int) + 1);
  21   if (x[1] == -1)
  22     abort ();
  23   exit (0);
  24 }