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From: "xry111 at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug lto/114505] static archives built with gcc --without-zstd cause
 ICE when read by gcc with zstd support
Date: Thu, 28 Mar 2024 00:16:46 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D114505

Xi Ruoyao <xry111 at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2024-03-28
                 CC|                            |xry111 at gcc dot gnu.org
     Ever confirmed|0                           |1
           Keywords|                            |lto

--- Comment #1 from Xi Ruoyao <xry111 at gcc dot gnu.org> ---
Confirmed as I've seen it before.  At least we should turn it into a "norma=
l"
error message instead of ICE.

But note that even "downgrading the compression algorithm" is supported, it
won't really help rolling-release distros.  When GCC itself is upgraded wit=
h a
LTO API version change, all previous LTO static archives will be unusable
anyway.  Generally the distros should not ship LTO static archives at all.=