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From: "hubicka at ucw dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/110334] [13/14 Regresssion] unused functions not eliminated
 before LTO streaming
Date: Wed, 28 Jun 2023 10:45:20 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D110334

--- Comment #16 from Jan Hubicka <hubicka at ucw dot cz> ---
> > We already have plenty of GF_CALL_ flags, so adding one should be easy?
>=20
> We have 3 bits left :/  I was hoping that cgraph_edge lives long
> enough?  But I suppose we're not keeping them across the early opts
> pipeline.

Hmm, so we have too many flags.  Indeed problem is that we don't want to
keep callgraph edges across all modifications gimple optimization passes
does.
Eventualy such annotations can probably go to hash_map just like we do
for EH regions etc.

Honza=