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

[izamyatin at gmail dot com]

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

--- Comment #4 from Igor Zamyatin <izamyatin at gmail dot com> ---
Created attachment 30377
  --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=30377&action=edit
Untested patch that corrects the cleanup