[Bug bootstrap/103547] [12 Regression] Bootstrap failure with --with-cpu=skylake-avx512

[hjl.tools at gmail dot com via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=103547

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
r12-5778 builds now.  It has happened once before.  I will leave it open
until we find out exactly what is going on.