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From: "hubicka at ucw dot cz" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/101118] coroutines: unexpected ODR warning for coroutine
 frame type in LTO builds
Date: Tue, 07 Mar 2023 16:18:26 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101118

--- Comment #15 from Jan Hubicka <hubicka at ucw dot cz> ---
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D101118
>=20
> --- Comment #14 from Iain Sandoe <iains at gcc dot gnu.org> ---
> (In reply to Jan Hubicka from comment #13)
> > > So .. for promotion of target expression temporaries to frame vars, o=
ne of:
> > >  - a) we need to find a different way to name them
> > I think we can just count number of fields within a given frame type?
>=20
> yeah I made a hack that did this (and resolves this PR) but I'd think we =
can
> find something neater, I'd like to c++-ify the sources some more, and cre=
ate a
> class to manage the frame... ( maybe for GCC14 now ).
Thanks!
Since this is really part of the ABI, I wonder why it is not covered by
the IA-64 C++ ABI?  Was it ever updated for coroutines?

Honza=