https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70955
--- Comment #17 from Richard Biener <rguenth at gcc dot gnu.org> --- (In reply to Steven Shi from comment #16) > How to checkout the 6.3 code from GCC trunk? I hope to verify this fix on > Uefi firmware GCC LTO build. The patch is not checked in as I believe the fundamental issue is not solved in a sensible way.
