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From: "rguenth at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/98265] [10 Regression] gcc-10 has significantly worse code
 generated with -O2 compared to -O1 (or gcc-9 -O2) when using the Eigen C++
 library
Date: Fri, 09 Apr 2021 10:42:28 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98265

Richard Biener <rguenth at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|[10/11 Regression] gcc-10   |[10 Regression] gcc-10 has
                   |has significantly worse     |significantly worse code
                   |code generated with -O2     |generated with -O2 compared
                   |compared to -O1 (or gcc-9   |to -O1 (or gcc-9 -O2) when
                   |-O2) when using the Eigen   |using the Eigen C++ library
                   |C++ library                 |
             Status|RESOLVED                    |ASSIGNED
      Known to work|                            |11.0
         Resolution|FIXED                       |---=