From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 14617 invoked by alias); 4 May 2002 09:56:06 -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 14547 invoked by uid 71); 4 May 2002 09:56:02 -0000 Resent-Date: 4 May 2002 09:56:02 -0000 Resent-Message-ID: <20020504095602.14546.qmail@sources.redhat.com> Resent-From: gcc-gnats@gcc.gnu.org (GNATS Filer) Resent-To: nobody@gcc.gnu.org Resent-Cc: gcc-prs@gcc.gnu.org, gcc-bugs@gcc.gnu.org Resent-Reply-To: gcc-gnats@gcc.gnu.org, relf@os2.ru Received:(qmail 12585 invoked by uid 61); 4 May 2002 09:47:36 -0000 Message-Id:<20020504094735.12582.qmail@sources.redhat.com> Date: Sat, 04 May 2002 02:56:00 -0000 From: relf@os2.ru Reply-To: relf@os2.ru To: gcc-gnats@gcc.gnu.org X-Send-Pr-Version:gnatsweb-2.9.3 (1.1.1.1.2.31) Subject: c++/6555: Copy constructor is called before the object (being copied) is initialized X-SW-Source: 2002-05/txt/msg00110.txt.bz2 List-Id: >Number: 6555 >Category: c++ >Synopsis: Copy constructor is called before the object (being copied) is initialized >Confidential: no >Severity: serious >Priority: medium >Responsible: unassigned >State: open >Class: wrong-code >Submitter-Id: net >Arrival-Date: Sat May 04 02:56:01 PDT 2002 >Closed-Date: >Last-Modified: >Originator: relf@os2.ru >Release: gcc 3.0.3 >Organization: >Environment: IBM OS/2 Warp 4.52 >Description: In the attached program first used constructor of class A is copy constructor, i.e. copy constructor is called before any class objects are initialized (so it tries to copy uninitialized object). The program prints which constuctor of A is called, and the output look like: Constructor A(const A&) Constructor A(const A&) Constructor A(const A&) Constructor A() >How-To-Repeat: >Fix: >Release-Note: >Audit-Trail: >Unformatted: ----gnatsweb-attachment---- Content-Type: application/octet-stream; name="bug.cpp" Content-Transfer-Encoding: base64 Content-Disposition: attachment; filename="bug.cpp" I2luY2x1ZGUgPGlvc3RyZWFtPg0KI2luY2x1ZGUgPG1hcD4NCg0KdXNpbmcgbmFtZXNwYWNlIHN0 ZDsNCg0KdGVtcGxhdGUgPGludCBudW0+DQpjbGFzcyBBDQp7DQpwdWJsaWM6DQogICAgaW50IHZh bHVlW251bV07DQogICAgc3RhdGljIEEgdW5pdDsNCg0KICAgIEEoKQ0KICAgIHsNCiAgICAgICAg Y291dCA8PCAiQ29uc3RydWN0b3IgQSgpXG4iOw0KICAgICAgICB2YWx1ZVswXSA9IDE7DQogICAg fQ0KDQogICAgQShjb25zdCBBJiB4KQ0KICAgIHsNCiAgICAgICAgY291dCA8PCAiQ29uc3RydWN0 b3IgQShjb25zdCBBJilcbiI7DQogICAgICAgIHZhbHVlWzBdID0geC52YWx1ZVswXTsNCiAgICB9 DQp9Ow0KDQp0ZW1wbGF0ZSA8aW50IG51bT4NCkE8bnVtPiBBPG51bT46OnVuaXQ7DQoNCmNsYXNz IGNtcEEzDQp7DQpwdWJsaWM6DQogICAgYm9vbCBvcGVyYXRvciAoKSAoY29uc3QgQTwzPiYgeCwg Y29uc3QgQTwzPiYgeSkNCiAgICB7DQogICAgICAgIHJldHVybiB4LnZhbHVlWzBdPD15LnZhbHVl WzBdOw0KICAgIH0NCn07DQoNCmNsYXNzIEINCnsNCnB1YmxpYzoNCiAgICBtYXA8QTwzPixpbnQs Y21wQTM+IHNvbWU7DQogICAgQigpDQogICAgew0KICAgICAgICBzb21lLmluc2VydCggcGFpcjxB PDM+LGludD4oQTwzPjo6dW5pdCw4OCkgKTsNCiAgICB9DQp9Ow0KDQpCIHRlc3Q7DQoNCmludCBt YWluKCkNCnsNCiAgICByZXR1cm4gMDsNCn0NCg==