[Bug middle-end/102206] amd zen hosts running zen-optimized gcc: gimplification ICE after r10-7284

amonakov at gcc dot gnu.org gcc-bugzilla@gcc.gnu.org
Mon Sep 6 16:33:53 GMT 2021


https://gcc.gnu.org/bugzilla/show_bug.cgi?id=102206

Alexander Monakov <amonakov at gcc dot gnu.org> changed:

           What    |Removed                     |Added
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                 CC|                            |amonakov at gcc dot gnu.org

--- Comment #13 from Alexander Monakov <amonakov at gcc dot gnu.org> ---
Sergei Trofimovich made substantial progress on diagnosing this on Gentoo side,
and according to his findings the crash is due to reading stack canary from a
wrong location. This indicates that the bug is not in GCC, but in the CPU or
maybe the kernel.

Please see comments 73 and 74 in the Gentoo bugreport:
https://bugs.gentoo.org/724314#c73


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