gcc/testsuite/gcc.dg/pr103961.c

   1 /* { dg-do compile } */
   2 /* { dg-options "-O2" } */
   3
   4 extern void abort ();
   5
   6 extern inline __attribute__ ((__gnu_inline__)) int
   7 sprintf (char *restrict s, const char *restrict fmt, ...)
   8 {
   9   return __builtin___sprintf_chk (s, 1, __builtin_object_size (s, 1),
  10                                   fmt, __builtin_va_arg_pack ());
  11 }
  12
  13 void
  14 cap_to_text (int c)
  15 {
  16   char buf[1572];
  17   char *p;
  18   int n, t;
  19   p = 20 + buf;
  20   for (t = 8; t--; )
  21     {
  22       for (n = 0; n < c; n++)
  23         p += sprintf (p, "a,");
  24       p--;
  25       if (__builtin_object_size (p, 1) == 0)
  26         abort ();
  27     }
  28 }
  29
  30 /* { dg-final { scan-assembler-not "abort" } } */