https://gcc.gnu.org/bugzilla/show_bug.cgi?id=112912
--- Comment #2 from Wang <mark_wang1234 at 163 dot com> --- (In reply to Andrew Pinski from comment #1) > I don't get why you need to mangle anything here .... > > what exactly is being mangled here? The types? or something else? Sorry I didn't describe it clearly. I just need mangle the function type