From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 3485 invoked by alias); 19 Jan 2012 14:51:52 -0000 Received: (qmail 3474 invoked by uid 22791); 19 Jan 2012 14:51:51 -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, 19 Jan 2012 14:51:39 +0000 From: "daniel.f.starke at freenet dot de" To: gcc-bugs@gcc.gnu.org Subject: [Bug target/51900] [4.6 Regression] const variable initialization always zero Date: Thu, 19 Jan 2012 15:03:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: target X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: daniel.f.starke at freenet dot de X-Bugzilla-Status: WAITING X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: 4.6.3 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: 2012-01/txt/msg02162.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51900 --- Comment #5 from Daniel Starke 2012-01-19 14:51:33 UTC --- Compiling it with gcc -static -fcommon -o main.o -c main.c gcc -static -fcommon -o a.o -c a.c gcc -static -o main.exe main.o a.o results in $ ./main myVar[0] = 5 myVar[1] = 6 myVar[2] = 7 Compiling it with gcc -static -O2 -fcommon -o main.o -c main.c gcc -static -O2 -fcommon -o a.o -c a.c gcc -static -o main.exe main.o a.o results in $ ./main myVar[0] = 0 myVar[1] = 0 myVar[2] = 0 Thus a different option causes this change.