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From: "marxin at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug bootstrap/107950] partial LTO linking of libbackend.a:
 gcc/gcc-rich-location.cc:207: undefined reference to
 `range_label_for_type_mismatch::get_text(unsigned int) const'
Date: Mon, 16 Jan 2023 12:35:32 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D107950

--- Comment #8 from Martin Li=C5=A1ka <marxin at gcc dot gnu.org> ---
(In reply to Jan Hubicka from comment #7)
> Thanks for looking into the incremental link of libbackend. I had it in my
> tree for a while but never got around implementing correct way to enable =
it
> only during bootstrap since host compiler may not support it. It would be
> nice to have it in since it should reduce WPA memory use and also test th=
is
> code path.

Feel free to grab my initial patch in c#0 and upstream it. I tried that some
time ago in the following email thread:
https://gcc.gnu.org/pipermail/gcc/2021-May/236096.html

>=20
> I also think it is the case where partial linking makes the symbol to be
> pulled into LTO binary at the initial link time.  It should be optimized
> away if linker was not complaining.

Optimize away during the partial linking? So you think it's a GCC issue whe=
n it
comes to partial linking?=