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From: "anlauf at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/106771] [OOP] ICE with PACK intrinsic, in
 gfc_conv_expr_descriptor, at fortran/trans-array.c:7328
Date: Mon, 29 Aug 2022 17:21:57 +0000
X-Bugzilla-Reason: CC
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X-Bugzilla-Product: gcc
X-Bugzilla-Component: fortran
X-Bugzilla-Version: 9.2.0
X-Bugzilla-Keywords: ice-on-valid-code
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https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D106771

anlauf at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
                 CC|                            |anlauf at gcc dot gnu.org
      Known to fail|                            |8.5.0
      Known to work|                            |10.4.0, 11.3.0, 12.2.0,
                   |                            |9.5.0
   Last reconfirmed|                            |2022-08-29
     Ever confirmed|0                           |1
             Status|UNCONFIRMED                 |WAITING
           Keywords|                            |ice-on-valid-code

--- Comment #1 from anlauf at gcc dot gnu.org ---
Funny.  Replacing

       ilocs =3D pack(this%iloc(IDs),this%is_active(ilocs))

by

       ilocs =3D pack(this%iloc(IDs),[this%is_active(ilocs)])

seems to be a workaround for gcc-8 - at least as far as the ICE is concerne=
d.
(The testcase crashes at runtime with any compiler I tried, so I guess
it was reduced too much for this.)

I don't see any issues on mainline, even when running under valgrind,
so I guess the issue was fixed.

Does anybody want to do a bisection to find the commit which fixed it?=