[Bug lto/57602] [4.9 Regression] Runfails for several C/C++ benchmarks from spec2000 for i686 with -flto after r199422

[hubicka at gcc dot gnu.org]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=57602

--- Comment #11 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
Created attachment 30616
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30616&action=edit
Proposed fix

Patch I am testing. The problem was that ltrans passes got overzelaous on
clearing local flags.  I think this bug was there for a while, I wonder why it
did not hit us before.

The patch fixes the testcase seen in one of dups of this PR, does it fix all of
SPEC?