https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93966
--- Comment #7 from rguenther at suse dot de <rguenther at suse dot de> --- On Mon, 2 Mar 2020, hjl.tools at gmail dot com wrote: > https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93966 > > H.J. Lu <hjl.tools at gmail dot com> changed: > > What |Removed |Added > ---------------------------------------------------------------------------- > Status|NEW |RESOLVED > Resolution|--- |FIXED > > --- Comment #6 from H.J. Lu <hjl.tools at gmail dot com> --- > (In reply to Richard Biener from comment #3) > > Isn't this a linker bug? There's no code sections in the debug object. > > This is a good question. > > > Also you need to provide -fcf-protection at compile-time as well, not > > only at link-time (technically only at compile-time). Otherwise success > > is not guaranteed. > > That is correct. > > > I'm not aware why it should work with GCC 8 btw. > > It is because GCC 8 doesn't have early LTO debug. It does but section copying has been made more explicit about notes only in GCC 9 it seems.
