[Bug bootstrap/63684] Build failure due to "Let GDB reuse GCC's parser." (srcdir==objdir)

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63684

--- Comment #17 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
>  --disable-libstdcxx 

That also seems like a bad option to use too.