[Bug target/98667] gcc generates endbr32 invalid opcode on -march=i486

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98667

--- Comment #7 from H.J. Lu <hjl.tools at gmail dot com> ---
A patch is posted at

https://gcc.gnu.org/pipermail/gcc-patches/2021-January/563478.html