From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30012 invoked by alias); 6 Dec 2002 16:56:02 -0000 Mailing-List: contact gcc-prs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-prs-owner@gcc.gnu.org Received: (qmail 29984 invoked by uid 71); 6 Dec 2002 16:56:01 -0000 Resent-Date: 6 Dec 2002 16:56:01 -0000 Resent-Message-ID: <20021206165601.29983.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, hans.utz@informatik.uni-ulm.de Received: (qmail 22885 invoked by uid 61); 6 Dec 2002 16:52:35 -0000 Message-Id: <20021206165235.22884.qmail@sources.redhat.com> Date: Fri, 06 Dec 2002 08:56:00 -0000 From: hans.utz@informatik.uni-ulm.de Reply-To: hans.utz@informatik.uni-ulm.de To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version: gnatsweb-2.9.3 (1.1.1.1.2.31) Subject: c++/8847: dynamic_cast segfaults with shared lib X-SW-Source: 2002-12/txt/msg00370.txt.bz2 List-Id: >Number: 8847 >Category: c++ >Synopsis: dynamic_cast segfaults with shared lib >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: sw-bug >Submitter-Id: net >Arrival-Date: Fri Dec 06 08:56:01 PST 2002 >Closed-Date: >Last-Modified: >Originator: Hans Utz >Release: 3.2.1 >Organization: >Environment: Linux SuSE 7.3 box (Athlon) gcc -v: Reading specs from /data1/hutz/3.2/gcc/lib/gcc-lib/i686-pc-linux-gnu/3.2.1/specs Configured with: ../gcc-3.2.1/configure --prefix=/data1/hutz/3.2/gcc Thread model: posix gcc version 3.2.1 >Description: When compiling the attached minimal test program linking it with libGLU.so.1.3 and libGL, the execution fails with a segmentation fault on the dynamic_cast statement. - When compiling with just libGL or no library everything works fine. g++ Test.cc # okay g++ Test.cc -lGL # okay g++ Test.cc -lGLU -lGL # segfault I know that it is not a good test case, as it depends on some library on some distribution, but maybe it's a starting point for a better test case. - As I don't know how to find out about what's going wrong when linking with libGLU I'm stuck. Thanks, Hans >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="Test.cc" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="Test.cc" c3RydWN0IEZvbwp7CiAgdmlydHVhbCB+Rm9vKCk7Cn07CgpGb286On5Gb28oKSB7fQoKc3RydWN0 IEJhciA6IHB1YmxpYyBGb28KewogIHZpcnR1YWwgfkJhcigpOwp9OwoKQmFyOjp+QmFyKCkge30K CmludCBtYWluKGludCwgY2hhciAqKikKewogIEZvbyAqIGZvbyA9IG5ldyBCYXIoKTsKICBCYXIg KiBiYXIgPSBkeW5hbWljX2Nhc3Q8QmFyICo+KGZvbyk7CgogIHJldHVybiAwOwp9Cg==