gnu/dist/gcc4/gcc/testsuite/gcc.c-torture/execute/20050502-2.c

   1 /* PR target/21297 */
   2 typedef __SIZE_TYPE__ size_t;
   3 extern int memcmp (const char *, const char *, size_t);
   4 extern void abort ();
   5
   6 void
   7 foo (char *x)
   8 {
   9   int i;
  10   for (i = 0; i < 2; i++);
  11   x[i + i] = '\0';
  12 }
  13
  14 void
  15 bar (char *x)
  16 {
  17   int i;
  18   for (i = 0; i < 2; i++);
  19   x[i + i + i + i] = '\0';
  20 }
  21
  22 int
  23 main (void)
  24 {
  25   char x[] = "IJKLMNOPQR";
  26   foo (x);
  27   if (memcmp (x, "IJKL\0NOPQR", sizeof x) != 0)
  28     abort ();
  29   x[4] = 'M';
  30   bar (x);
  31   if (memcmp (x, "IJKLMNOP\0R", sizeof x) != 0)
  32     abort ();
  33   return 0;
  34 }