https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87698
--- Comment #4 from rguenther at suse dot de <rguenther at suse dot de> --- On Tue, 23 Oct 2018, romain.geissler at amadeus dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87698 > > --- Comment #3 from Romain Geissler <romain.geissler at amadeus dot com> --- > Well I might not understand everything but no I don't think I am comparing > uncomparable things. > > I never build/link with -fno-lto, -flto is *always* provided. OK, so both libraries do not contain LTO bytecode then. Indeed there should be zero differences in that case. A (smaller) testcase showing such differences would be appreciated.