public inbox for gcc-prs@sourceware.org
help / color / mirror / Atom feed
From: philippeb@corel.com
To: gcc-gnats@gcc.gnu.org
Subject: c++/2330: static_cast<>() to a private base is allowed
Date: Tue, 20 Mar 2001 10:26:00 -0000	[thread overview]
Message-ID: <20010320181828.9949.qmail@sourceware.cygnus.com> (raw)

>Number:         2330
>Category:       c++
>Synopsis:       static_cast<>() to a private base is allowed
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Tue Mar 20 10:26:01 PST 2001
>Closed-Date:
>Last-Modified:
>Originator:     gcc
>Release:        2.95.3
>Organization:
>Environment:
Debian Linux (Woody) on Intel
>Description:
static_cast<>() from a derived type to its private base is 
allowed, but shouldn't. dynamic_cast<>() is okay on its side.
>How-To-Repeat:
#include <iostream>

struct A
{
    void foo() { std::cout << __PRETTY_FUNCTION__ << std::endl; }
};

struct B : private A
{
};

int main()
{
    B b;
    static_cast<A &>(b).foo();
}
>Fix:

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


             reply	other threads:[~2001-03-20 10:26 UTC|newest]

Thread overview: 2+ messages / expand[flat|nested]  mbox.gz  Atom feed  top
2001-03-20 10:26 philippeb [this message]
2002-11-08  7:06 Wolfgang Bangerth

Reply instructions:

You may reply publicly to this message via plain-text email
using any one of the following methods:

* Save the following mbox file, import it into your mail client,
  and reply-to-all from there: mbox

  Avoid top-posting and favor interleaved quoting:
  https://en.wikipedia.org/wiki/Posting_style#Interleaved_style

* Reply using the --to, --cc, and --in-reply-to
  switches of git-send-email(1):

  git send-email \
    --in-reply-to=20010320181828.9949.qmail@sourceware.cygnus.com \
    --to=philippeb@corel.com \
    --cc=gcc-gnats@gcc.gnu.org \
    /path/to/YOUR_REPLY

  https://kernel.org/pub/software/scm/git/docs/git-send-email.html

* If your mail client supports setting the In-Reply-To header
  via mailto: links, try the mailto: link
Be sure your reply has a Subject: header at the top and a blank line before the message body.
This is a public inbox, see mirroring instructions
for how to clone and mirror all data and code used for this inbox;
as well as URLs for read-only IMAP folder(s) and NNTP newsgroup(s).