https://gcc.gnu.org/bugzilla/show_bug.cgi?id=87412
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2018-09-24 CC| |hjl.tools at gmail dot com Ever confirmed|0 |1 --- Comment #1 from H.J. Lu <hjl.tools at gmail dot com> --- (In reply to Florian Weimer from comment #0) > > Suggested fix is to error out when both options are specified at the same > time. Yes, -fcf-protection and -mindirect-branch=thunk should be disallowed when used together.