https://gcc.gnu.org/bugzilla/show_bug.cgi?id=70403
--- Comment #3 from Jonathan Wakely <redi at gcc dot gnu.org> --- (In reply to Hadula, Tomasz from comment #2) > The whole thing is huge (compiles for almost 2 hours). > The problem is that when I attempt to make it smaller in form of a simple, > standalone app, the problem doesn't happen anymore. So provide preprocessed source of just the one file, which will only take a few seconds. That way someone can compile that file and inspect the generated code. It doesn't need to produce a running program. Without it this report is not useful.