From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 21408 invoked by alias); 13 Oct 2011 02:50:15 -0000 Received: (qmail 21392 invoked by uid 22791); 13 Oct 2011 02:50:14 -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; Thu, 13 Oct 2011 02:49:48 +0000 From: "jason at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug c++/38174] Missing some built-in candidates for operator overloading Date: Thu, 13 Oct 2011 02:50:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: c++ X-Bugzilla-Keywords: rejects-valid X-Bugzilla-Severity: normal X-Bugzilla-Who: jason at gcc dot gnu.org X-Bugzilla-Status: NEW X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: In-Reply-To: References: 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: 2011-10/txt/msg01199.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=38174 --- Comment #4 from Jason Merrill 2011-10-13 02:49:30 UTC --- (In reply to comment #3) > So, for operator== for example, we reach the end of add_builtin_candidate, the > conditional is true, and we proceed with two calls to build_builtin_candidate > for pairs of const int* and pairs of volatile int*, I don't see the analysis > required to figure out that we need also the version for pairs of const > volatile int*. Should be open coded here? In the code where we generate those two pairs, if the two pointers have a composite pointer type, we should instead generate a single candidate with that type.