From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugzilla@gcc.gnu.org>
Received: by sourceware.org (Postfix, from userid 48)
 id 564FC385041A; Sun, 14 Feb 2021 22:50:03 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 564FC385041A
From: "hubicka at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug ipa/98265] [10/11 Regression] gcc-10 has significantly worse
 code generated with -O2 compared to -O1 (or gcc-9 -O2) when using the Eigen
 C++ library
Date: Sun, 14 Feb 2021 22:50:03 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: ipa
X-Bugzilla-Version: 10.2.0
X-Bugzilla-Keywords: missed-optimization
X-Bugzilla-Severity: normal
X-Bugzilla-Who: hubicka at gcc dot gnu.org
X-Bugzilla-Status: ASSIGNED
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P2
X-Bugzilla-Assigned-To: hubicka at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 10.3
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-98265-4-a154c4SS2g@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-98265-4@http.gcc.gnu.org/bugzilla/>
References: <bug-98265-4@http.gcc.gnu.org/bugzilla/>
Content-Type: text/plain; charset="UTF-8"
Content-Transfer-Encoding: quoted-printable
X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/
Auto-Submitted: auto-generated
MIME-Version: 1.0
X-BeenThere: gcc-bugs@gcc.gnu.org
X-Mailman-Version: 2.1.29
Precedence: list
List-Id: Gcc-bugs mailing list <gcc-bugs.gcc.gnu.org>
List-Unsubscribe: <https://gcc.gnu.org/mailman/options/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=unsubscribe>
List-Archive: <https://gcc.gnu.org/pipermail/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-request@gcc.gnu.org?subject=help>
List-Subscribe: <https://gcc.gnu.org/mailman/listinfo/gcc-bugs>,
 <mailto:gcc-bugs-request@gcc.gnu.org?subject=subscribe>
X-List-Received-Date: Sun, 14 Feb 2021 22:50:03 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D98265

--- Comment #6 from Jan Hubicka <hubicka at gcc dot gnu.org> ---
I am testing
diff --git a/gcc/cif-code.def b/gcc/cif-code.def
index 2f430cf1c39..39b89da155f 100644
--- a/gcc/cif-code.def
+++ b/gcc/cif-code.def
@@ -125,7 +125,7 @@ DEFCIFCODE(OPTIMIZATION_MISMATCH, CIF_FINAL_ERROR,
           N_("optimization level attribute mismatch"))

 /* We can't inline because the callee refers to comdat-local symbols.  */
-DEFCIFCODE(USES_COMDAT_LOCAL, CIF_FINAL_ERROR,
+DEFCIFCODE(USES_COMDAT_LOCAL, CIF_FINAL_NORMAL,
           N_("callee refers to comdat-local symbols"))

 /* We can't inline because of mismatched caller/callee=