[Bug pch/105858] MinGW-w64 64-bit build with --libstdcxx-pch: fatal error: cannot write PCH file: required memory segment unavailable

[brechtsanders at users dot sourceforge.net]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105858

--- Comment #3 from Brecht Sanders <brechtsanders at users dot sourceforge.net> ---
Some information I received related to this issue:

On 01/08/2022 14:52, Luis Dallos wrote:
>
>     PCH has had issues for as long as I can remember, see for example:
>
>     * https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-gcc/0010-Fix-using-large-PCH.patch
>
> The msys2 team commited in msys2/MINGW-packages@52908ed an additional patch in order to fix PCH relocation issues.
>
> https://github.com/msys2/MINGW-packages/blob/master/mingw-w64-gcc/0021-PR14940-Allow-a-PCH-to-be-mapped-to-a-different-addr.patch
>
> See also:
>
> msys2/MINGW-packages#11582 (comment)
> https://gcc.gnu.org/pipermail/gcc-patches/2022-May/594556.html