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 5229A3857020; Wed, 16 Dec 2020 09:16:13 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 5229A3857020
From: "slyfox at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug tree-optimization/97750] [11 Regression] ICE in during GIMPLE
 pass: wrestrict since r11-4135-ge864d395b4e862ce
Date: Wed, 16 Dec 2020 09:16:13 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: tree-optimization
X-Bugzilla-Version: 11.0
X-Bugzilla-Keywords: ice-on-valid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: slyfox at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P1
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: 11.0
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: 
Message-ID: <bug-97750-4-BA3iwAaL99@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-97750-4@http.gcc.gnu.org/bugzilla/>
References: <bug-97750-4@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: Wed, 16 Dec 2020 09:16:13 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D97750

--- Comment #6 from Sergei Trofimovich <slyfox at gcc dot gnu.org> ---
Peeking at the gdb backtrace:

#0  operator_cast::op1_range (this=3D0x2e23ac0 <op_convert>, r=3D...,
type=3D0x7ffff7676c78, lhs=3D..., op2=3D...) at ../../gcc/gcc/range-op.cc:1=
881
#1  0x0000000001f7195e in gimple_range_calc_op1 (r=3D..., stmt=3D0x7ffff77c=
55a0,
lhs_range=3D..., op2_range=3D...) at ../../gcc/gcc/gimple-range.cc:337
#2  0x0000000001f817e2 in gori_compute::compute_name_range_op
(this=3D0x7fffffffd010, r=3D..., stmt=3D0x7ffff77c55a0, lhs=3D..., name=3D0=
x7ffff77b37e0)
at ../../gcc/gcc/gimple-range-gori.cc:507
#3  0x0000000001f81c10 in gori_compute::compute_operand_range
(this=3D0x7fffffffd010, r=3D..., stmt=3D0x7ffff77c55a0, lhs=3D..., name=3D0=
x7ffff77b37e0)
at ../../gcc/gcc/gimple-range-gori.cc:607

          range_op_handler (PLUS_EXPR, type)->fold_range (lhs_neg,
                                                          type,
                                                          converted_lhs,
                                                          lim_range);

(gdb) list range_op_handler
3420
3421    // The tables are hidden and accessed via a simple extern function.
3422
3423    range_operator *
3424    range_op_handler (enum tree_code code, tree type)
3425    {
3426      // First check if there is a pointer specialization.
3427      if (POINTER_TYPE_P (type))
3428        return pointer_tree_table[code];
3429      if (INTEGRAL_TYPE_P (type))
3430        return integral_tree_table[code];
3431      return NULL;
3432    }

(gdb) call range_op_handler (PLUS_EXPR, type)
$2 =3D (range_operator *) 0x0

(gdb) call debug_generic_expr(type)
char *

(gdb) call POINTER_TYPE_P(type)
$7 =3D true=