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From: "ebotcazou at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
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Subject: [Bug c++/99401] GCC11 MinGW-w64 32-bit build fails with undefined
 reference to `LC0'
Date: Fri, 05 Mar 2021 09:19:02 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D99401

Eric Botcazou <ebotcazou at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
   Last reconfirmed|                            |2021-03-05
             Status|UNCONFIRMED                 |WAITING
     Ever confirmed|0                           |1
                 CC|                            |ebotcazou at gcc dot gnu.o=
rg

--- Comment #1 from Eric Botcazou <ebotcazou at gcc dot gnu.org> ---
This looks like an issue with the base compiler, could you post the output =
of
'gcc -v'?  Could you also avoid forcing -O2 during stage #1, i.e. use the
default -O0 or only -O1?=