gcc-4.9/gcc/testsuite/gcc.dg/tm/pr52173-2.c


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/* { dg-do compile } */
/* { dg-options "-fgnu-tm -O2" } */

int a;

int main()
{
  int i;
  for (i = 0; i < 1; ++i)
    __transaction_atomic { ++a; }
  return 0;
}