[Bug bootstrap/99983] [9/10 regression] ICE in bootstrap while building libstdc++

[mkuvyrkov at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=99983

--- Comment #8 from Maxim Kuvyrkov <mkuvyrkov at gcc dot gnu.org> ---
I'll revert on gcc-10 and then backport the revert to gcc-9.