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From: "ygribov at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug gcov-profile/47618] Collecting multiple profiles and using all
 for PGO
Date: Thu, 06 Jan 2022 18:56:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D47618

Yury Gribov <ygribov at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |ygribov at gcc dot gnu.org

--- Comment #29 from Yury Gribov <ygribov at gcc dot gnu.org> ---
> > 1. it can only merge two directories at one time. So, for multiple
> > directories, for example "n", we have to invoke gcov-tool merge n-1 tim=
es in
> > order to merge all of them?
>=20
> Yep. I guess one can write a simple bash script that does that.

I've added one at
https://github.com/yugr/maintainer-scripts/blob/master/gcov-tool-many=