https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65581
--- Comment #7 from Rainer Emrich <rai...@emrich-ebersheim.de> --- (In reply to Kai Tietz from comment #6) > As far as I understand this issue does LTO now handle stuff used from object > file different to prior versions. I add Jan. He might be able to give us > some more points Any news on this issue. IMHO it would be a shame to not have lto working on mingw-w64 targets for gcc 5.0, even mingw-w64 isn't primary/secondary platform.