From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 30786 invoked by alias); 15 Jan 2010 21:42:49 -0000 Received: (qmail 30749 invoked by uid 48); 15 Jan 2010 21:42:35 -0000 Date: Fri, 15 Jan 2010 21:42:00 -0000 Message-ID: <20100115214235.30748.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug rtl-optimization/42691] [4.4/4.5 regression] problematic REG_EQUAL note added to SUBREG In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "mikpe at it dot uu dot se" 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: 2010-01/txt/msg01922.txt.bz2 ------- Comment #17 from mikpe at it dot uu dot se 2010-01-15 21:42 ------- (In reply to comment #16) > --- testsuite/gcc.c-torture/execute/pr42691.c (revision 155944) > +++ testsuite/gcc.c-torture/execute/pr42691.c (working copy) > @@ -26,7 +26,8 @@ > > i++; > } > - *deletedEntry = 0.0; > + if (deletedEntry) > + *deletedEntry = 0.0; > return 0; > } Thanks, with this fix the test case exits normally with -O0 on both arm and i686, but abort()s as intended with -Os -mthumb with 4.4 (pre-fix) on arm. BTW, gcc-4.3.4 is also broken but gcc-4.2.4 works. -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=42691