https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96385
--- Comment #10 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to H.J. Lu from comment #8) > The original pr26324a.o debug info contains reference to xxx. But reference > to xxx has been removed by LTO. simple_object_copy_lto_debug_sections fails > to remove the un-referenced symbol, xxx, from symbol table. The alternative is to ask linker to handle it: https://sourceware.org/pipermail/binutils/2020-July/112673.html