gcc-4.9/gcc/testsuite/gcc.c-torture/compile/20011205-1.c


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/* Failure to mark_addressable all operands before evaluation means we
   don't set up the proper temporaries, which leaves us with an asm that
   doesn't match its contraints.  */

long foo()
{
  long x;
  asm("" : "=r"(x) : "m"(x));
  return x;
}