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 767423858C50; Mon, 16 May 2022 00:06:14 +0000 (GMT)
DKIM-Filter: OpenDKIM Filter v2.11.0 sourceware.org 767423858C50
From: "kargl at gcc dot gnu.org" <gcc-bugzilla@gcc.gnu.org>
To: gcc-bugs@gcc.gnu.org
Subject: [Bug fortran/105243] ICE in next_char, at fortran/io.cc:160
Date: Mon, 16 May 2022 00:06:14 +0000
X-Bugzilla-Reason: CC
X-Bugzilla-Type: changed
X-Bugzilla-Watch-Reason: None
X-Bugzilla-Product: gcc
X-Bugzilla-Component: fortran
X-Bugzilla-Version: 12.0
X-Bugzilla-Keywords: ice-on-invalid-code
X-Bugzilla-Severity: normal
X-Bugzilla-Who: kargl at gcc dot gnu.org
X-Bugzilla-Status: NEW
X-Bugzilla-Resolution: 
X-Bugzilla-Priority: P4
X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org
X-Bugzilla-Target-Milestone: ---
X-Bugzilla-Flags: 
X-Bugzilla-Changed-Fields: bug_status cf_reconfirmed_on priority cc
 everconfirmed
Message-ID: <bug-105243-4-I14JeH32vv@http.gcc.gnu.org/bugzilla/>
In-Reply-To: <bug-105243-4@http.gcc.gnu.org/bugzilla/>
References: <bug-105243-4@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: Mon, 16 May 2022 00:06:14 -0000

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=3D105243

kargl at gcc dot gnu.org changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |NEW
   Last reconfirmed|                            |2022-05-16
           Priority|P3                          |P4
                 CC|                            |kargl at gcc dot gnu.org
     Ever confirmed|0                           |1

--- Comment #2 from kargl at gcc dot gnu.org ---
This fixes the problem.  Someone that regularly use git will need to commit=
 it.

diff --git a/gcc/fortran/decl.cc b/gcc/fortran/decl.cc
index bd586e75008..6712efd6ec8 100644
--- a/gcc/fortran/decl.cc
+++ b/gcc/fortran/decl.cc
@@ -6283,6 +6283,15 @@ gfc_match_data_decl (void)
       goto cleanup;
     }

+  /* F2018:C708.  */
+  if (current_ts.type =3D=3D BT_CLASS && current_attr.flavor =3D=3D FL_PAR=
AMETER)
+    {
+      gfc_error ("CLASS entity at %C shall be a dummy argument or have the=
 "
+                "ALLOCATABLE or POINTER attribute.");
+      m =3D MATCH_ERROR;
+      goto cleanup;
+    }
+
 ok:
   /* If we have an old-style character declaration, and no new-style
      attribute specifications, then there a comma is optional between=