From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 86054 invoked by alias); 30 May 2015 16:31:48 -0000 Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Id: List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org Received: (qmail 85706 invoked by uid 48); 30 May 2015 16:31:44 -0000 From: "msebor at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/66341] Some casts wrongly produce a lvalue Date: Sat, 30 May 2015 16:31:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Version: 5.1.0 X-Bugzilla-Keywords: X-Bugzilla-Severity: minor X-Bugzilla-Who: msebor at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Resolution: X-Bugzilla-Priority: P3 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 cc everconfirmed Message-ID: In-Reply-To: References: Content-Type: text/plain; charset="UTF-8" Content-Transfer-Encoding: 7bit X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated MIME-Version: 1.0 X-SW-Source: 2015-05/txt/msg02465.txt.bz2 https://gcc.gnu.org/bugzilla/show_bug.cgi?id=66341 Martin Sebor changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2015-05-30 CC| |msebor at gcc dot gnu.org Ever confirmed|0 |1 --- Comment #1 from Martin Sebor --- Confirmed with both gcc and g++ 5.1.0. Below is a slightly smaller test case along with Clang output. $ cat t.c && gcc -Wall -c t.c && clang t.c struct A { int *i; }; void foo (struct A *a) { (int*)(struct A*)a->i = a->i; } t.c:5:27: error: expression is not assignable (int*)(struct A*)a->i = a->i; ~~~~~~~~~~~~~~~~~~~~~ ^ 1 error generated.