[Bug target/83781] [8 Regression] Bootstrap failed on x86 with --with-arch=corei7 --with-cpu=corei7

[hjl.tools at gmail dot com]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=83781

--- Comment #5 from H.J. Lu <hjl.tools at gmail dot com> ---
On i686, it failed with

--prefix=/usr/8.0.0 --enable-clocale=gnu --with-system-zlib --enable-shared
--with-demangler-in-ld --enable-libmpx i686-linux --with-fpmath=sse