gcc-4.8.1/gcc/testsuite/gcc.dg/lto/ipacp_1.c


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void abort (void);
extern int a;

__attribute__ ((noinline))
void
clone_me (int *ptr)
{
  if (ptr != &a)
    abort ();
  if (!__builtin_constant_p (ptr != &a))
    abort ();
}