https://gcc.gnu.org/bugzilla/show_bug.cgi?id=86651
--- Comment #10 from jwjagersma at gmail dot com --- Created attachment 44442 --> https://gcc.gnu.org/bugzilla/attachment.cgi?id=44442&action=edit preprocessed source to trigger ICE (In reply to rguent...@suse.de from comment #9) > Thanks for checking. Do you maybe can make preprocessed source of required > CUs available? You can reduce the set of needed inputs by using -shared at > link time so unresolved symbols are considered OK. I've attached the entire preprocessed source (djgpp does not support -shared). Compile/link with: i586-pc-msdosdjgpp-g++ -std=gnu++17 -fconcepts -masm=intel -flto -g *.i