https://gcc.gnu.org/bugzilla/show_bug.cgi?id=106177
--- Comment #4 from Christophe Lyon <clyon at gcc dot gnu.org> --- (In reply to Richard Weickelt from comment #3) > @Christophe Lyon, > > my use-case is that vendor A provides a binary blob of a library to vendor > B. Both A and B ensure that they use the same toolchain version, but the > developers involved use different host operating systems. LTO is a valuable > feature for us because it shrinks our binaries by 25%. Space is precious on > small MCUs. Thanks for the clarification, sorry that it won't be fixed soon :-(