From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 29301 invoked by alias); 19 Mar 2012 13:04:55 -0000 Received: (qmail 29288 invoked by uid 22791); 19 Mar 2012 13:04:54 -0000 X-SWARE-Spam-Status: No, hits=-2.9 required=5.0 tests=ALL_TRUSTED,AWL,BAYES_00 X-Spam-Check-By: sourceware.org Received: from localhost (HELO gcc.gnu.org) (127.0.0.1) by sourceware.org (qpsmtpd/0.43rc1) with ESMTP; Mon, 19 Mar 2012 13:04:32 +0000 From: "cglbftm at gmail dot com" To: gcc-bugs@gcc.gnu.org Subject: [Bug c/52615] New: function pointer casting bug Date: Mon, 19 Mar 2012 13:21:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: cglbftm at gmail dot com X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 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 X-SW-Source: 2012-03/txt/msg01512.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=52615 Bug #: 52615 Summary: function pointer casting bug Classification: Unclassified Product: gcc Version: 4.6.1 Status: UNCONFIRMED Severity: normal Priority: P3 Component: c AssignedTo: unassigned@gcc.gnu.org ReportedBy: cglbftm@gmail.com gcc compiler can't create any working code for my programm. Full programm here: int a(char x) { return x; } int main() { float result; result = (*(float (*)(double, int, char *))a)(4.5f, 7, "Hello"); return 0; } gcc input: gcc main.c gcc output: main.c: In function 'main': main.c:10:48: warning: function called through a non-compatible type [enabled by default] main.c:10:48: note: if this code is reached, the program will abort Compiler create executable file. But it doesn't work. Other compilers(g++, MSVC 10) works fine. No warnings and working programm.