[Bug tree-optimization/69368] [6 Regression] spec2006 test case 416.gamess fails with the g++ 6.0 compiler starting with r232508

[wdijkstr at arm dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69368

--- Comment #9 from Wilco <wdijkstr at arm dot com> ---
The loops get optimized away in dom2. The info this phase emits is hard to
figure out, so it's not obvious why it thinks the array assignments are
redundant (the array is used all over the place so clearly cannot be removed).