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Date: Fri, 26 Apr 2002 11:06:00 -0000
From: kunert@physik.tu-dresden.de
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To: gcc-gnats@gcc.gnu.org
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Subject: c++/6479: access control bug
X-SW-Source: 2002-04/txt/msg01480.txt.bz2
List-Id: <gcc-prs.sourceware.org>


>Number:         6479
>Category:       c++
>Synopsis:       access control bug
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          rejects-legal
>Submitter-Id:   net
>Arrival-Date:   Fri Apr 26 11:06:01 PDT 2002
>Closed-Date:
>Last-Modified:
>Originator:     Thomas Kunert
>Release:        gcc version 3.1 20020423
>Organization:
>Environment:
$ /opt/bin/g++-31 -v
Reading specs from /opt/lib/gcc-lib/i686-pc-linux-gnu/3.1/specs
Configured with: ../gcc/configure i686-pc-linux-gnu --enable-shared --prefix=/opt --enable-languages=c,c++,f77
Thread model: single
gcc version 3.1 20020423 (prerelease)
>Description:
The following code is being rejected. 
This is a regression from 3.0.

class A {
protected:
  A& operator=( const A& a ) { return *this; }
};

class B : public A
{};

int main()
{
  B x;
  B y;
  x = y;
}

$ /opt/bin/g++-31 x2.cc  
x2.cc: In member function `B& B::operator=(const B&)':
x2.cc:3: `A& A::operator=(const A&)' is protected
x2.cc:13: within this context

class B : public A
{};

int main()
{
  B x;
  B y;
  x = y;
}
>How-To-Repeat:

>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted: