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From: "rguenther at suse dot de" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug lto/85574] [8/9 Regression] LTO bootstapped binaries differ
Date: Wed, 27 Jan 2021 10:54:47 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D85574

--- Comment #37 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 27 Jan 2021, ebotcazou at gcc dot gnu.org wrote:

> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D85574
>=20
> --- Comment #36 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
> > Because I didn't try to invent a clever way to detect which ones will
> > actually exist (but I know lto1 will).  Sure some extra-compare-if-exis=
ts
> > could be invented.  If there's no way to compare binaries on windows
> > then there's maybe a way to conditionalize the extra-compare setting
> > in the makefile fragment.
>=20
> There is one, see above.  And it looks like contrib/compare-lto should be
> rewritten from scratch, it takes a lot of time on Windows for nothing IIU=
C.

Feel free to improve things - I do not have any Windows system to
test on or an idea what you think needs to be improved.  I would
guess similar things apply to compare-debug which it was derived from.=