https://gcc.gnu.org/bugzilla/show_bug.cgi?id=93654
H.J. Lu <hjl.tools at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- Target Milestone|10.0 |9.4 Summary|Inappropriate |[9/10 Regression] |"-fcf-protection and |Inappropriate |-mindirect-branch=thunk are |"-fcf-protection and |incompatible on x86_64" |-mindirect-branch=thunk-ext |restriction |ern are incompatible" | |restriction Status|NEW |RESOLVED Target|x86_64-*-* |i386, x86_64 Resolution|--- |FIXED --- Comment #12 from H.J. Lu <hjl.tools at gmail dot com> --- Fixed for GCC 10 and GCC 9.4.