[Bug tree-optimization/66846] parloops does not always mark loops for fixup if needed

[vries at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66846

--- Comment #3 from vries at gcc dot gnu.org ---
updated patch: https://gcc.gnu.org/ml/gcc-patches/2015-07/msg02032.html