From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 17685 invoked by alias); 3 May 2006 10:56:40 -0000 Received: (qmail 17659 invoked by uid 48); 3 May 2006 10:56:36 -0000 Date: Wed, 03 May 2006 10:56:00 -0000 Message-ID: <20060503105636.17658.qmail@sourceware.org> X-Bugzilla-Reason: CC References: Subject: [Bug middle-end/27173] [4.0 regression] ICE with -O -ftrapv In-Reply-To: Reply-To: gcc-bugzilla@gcc.gnu.org To: gcc-bugs@gcc.gnu.org From: "reichelt at gcc dot gnu dot org" Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm Precedence: bulk List-Archive: List-Post: List-Help: Sender: gcc-bugs-owner@gcc.gnu.org X-SW-Source: 2006-05/txt/msg00264.txt.bz2 List-Id: ------- Comment #4 from reichelt at gcc dot gnu dot org 2006-05-03 10:56 ------- The testcase in comment #3 only crashes on x86_64-unknown-linux-gnu, but not on i686-pc-linux-gnu. The testcase below crashes on both archs: =================================== char *p, *q; inline int foo(int i) { int j = (p - q) + i; return -j; } void bar() { int n, i; for (n = 7; n-- > 0; ) for (i = n; i-- > 0; ) if (i) p += foo(i-1); } =================================== -- http://gcc.gnu.org/bugzilla/show_bug.cgi?id=27173