https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564
--- Comment #20 from rguenther at suse dot de <rguenther at suse dot de> --- On March 25, 2016 8:42:50 AM GMT+01:00, "vincenzo.innocente at cern dot ch" <gcc-bugzi...@gcc.gnu.org> wrote: >https://gcc.gnu.org/bugzilla/show_bug.cgi?id=69564 > >--- Comment #19 from vincenzo Innocente <vincenzo.innocente at cern dot >ch> --- >patch applied to >gcc version 6.0.0 20160324 (experimental) [trunk revision 234461] (GCC) > >I confirm the improvement in timing for c++ and lto >timing difference between gcc and c++ seems to be inside "errors" >I am satisfied. > >Thanks Patrick! > >(btw I suppose no hope for a back port to 5.4?) It needs some more understanding and a fix in the appropriate place. Thanks Patrick for narrowing down a workaround.