[Bug middle-end/52173] internal compiler error: verify_ssa failed possibly caused by itm

[rguenth at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52173

--- Comment #13 from Richard Guenther <rguenth at gcc dot gnu.org> 2012-09-21 12:39:19 UTC ---
Simpler testcase from PR54646, fails at -O2:

int a;

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