From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 31717 invoked by alias); 6 Aug 2011 16:08:34 -0000 Received: (qmail 31707 invoked by uid 22791); 6 Aug 2011 16:08:34 -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; Sat, 06 Aug 2011 16:08:20 +0000 From: "ebotcazou at gcc dot gnu.org" To: gcc-bugs@gcc.gnu.org Subject: [Bug tree-optimization/49911] SRA + DOM + VRP + -fstrict-enums incorrectly remove predicate X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: tree-optimization X-Bugzilla-Keywords: wrong-code X-Bugzilla-Severity: normal X-Bugzilla-Who: ebotcazou 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 Date: Sat, 06 Aug 2011 16:08:00 -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 X-SW-Source: 2011-08/txt/msg00749.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=49911 --- Comment #12 from Eric Botcazou 2011-08-06 16:08:16 UTC --- > So the issue here is that enum types with non-canonical TYPE_MIN/MAX_VALUE > leak from storage representation (union StateRemat) via SRA as register > variables into the IL. Is that something that cannot happen for Ada because > it is also careful to not use such types in storage representations? Yes, I think so, only index types of arrays have non-canonical bounds now.