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From: "pinskia at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug pch/14940] PCH largefile test fails on various platforms
Date: Tue, 10 May 2022 05:15:09 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D14940

--- Comment #56 from Andrew Pinski <pinskia at gcc dot gnu.org> ---
(In reply to LIU Hao from comment #55)
> (In reply to Andrew Pinski from comment #54)
> > (In reply to LIU Hao from comment #53)
> > > The patch no longer applies to GCC 12.
> >=20
> > Right because I think this issue has been fixed by r12-5855-g747380f47d=
a0da .
>=20
> No, at least not completely. In 'gcc/config/i386/host-mingw32.cc' there is
> still the 128MiB hard limit:
>=20
> ```
> /* FIXME: Is this big enough?  */
> static const size_t pch_VA_max_size  =3D 128 * 1024 * 1024;
> ```

Right, some hosts need to be changed.
Looks like only darwin and linux was fixed.

See r12-5857-g0d5db1dd65b452 for the change done for darwin. Maybe a similar
change is needed for Mingw.=