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From: "manu at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug c++/94905] [10 Regression] Bogus warning
 -Werror=maybe-uninitialized
Date: Thu, 03 Sep 2020 18:46:43 +0000
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D94905

Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez <manu at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
            Summary|Bogus warning               |[10 Regression] Bogus
                   |-Werror=3Dmaybe-uninitialized |warning
                   |                            |-Werror=3Dmaybe-uninitiali=
zed
   Target Milestone|---                         |10.4
     Ever confirmed|0                           |1
   Last reconfirmed|                            |2020-09-03
             Status|UNCONFIRMED                 |NEW

--- Comment #10 from Manuel L=C3=B3pez-Ib=C3=A1=C3=B1ez <manu at gcc dot gn=
u.org> ---
(In reply to Arseny Solokha from comment #3)
> The best I've been able to come up with is the following, reduced from APL
> 1.8:

It is warning about this, but it should not warn:

  # DEBUG rD.2406 =3D> (intD.9) (ivtmp.24_6 /[ex] 4) + 1
  [./example.cpp:8:27] # VUSE <.MEM_11>
  pretmp_8 =3D MEM[(intD.9 *)&retD.2381 + ivtmp.24_13 * 1];


This is regression but not sure when it was introduced.=