From mboxrd@z Thu Jan  1 00:00:00 1970
Return-Path: <gcc-bugs-return-328399-listarch-gcc-bugs=gcc.gnu.org@gcc.gnu.org>
Received: (qmail 27121 invoked by alias); 21 Aug 2010 22:12:19 -0000
Received: (qmail 27090 invoked by uid 48); 21 Aug 2010 22:12:07 -0000
Date: Sat, 21 Aug 2010 22:12:00 -0000
Subject: [Bug bootstrap/45372]  New: warning coverage.c assigns -1 to unsigned, suggest -1u
X-Bugzilla-Reason: CC
Message-ID: <bug-45372-16543@http.gcc.gnu.org/bugzilla/>
Reply-To: gcc-bugzilla@gcc.gnu.org
To: gcc-bugs@gcc.gnu.org
From: "jay dot krell at cornell dot edu" <gcc-bugzilla@gcc.gnu.org>
Mailing-List: contact gcc-bugs-help@gcc.gnu.org; run by ezmlm
Precedence: bulk
List-Id: <gcc-bugs.gcc.gnu.org>
List-Archive: <http://gcc.gnu.org/ml/gcc-bugs/>
List-Post: <mailto:gcc-bugs@gcc.gnu.org>
List-Help: <mailto:gcc-bugs-help@gcc.gnu.org>
Sender: gcc-bugs-owner@gcc.gnu.org
X-SW-Source: 2010-08/txt/msg01772.txt.bz2

just a warning, not an error
bootstrapping from non-gcc


"/home/jay/src/gcc-4.5.1/gcc/coverage.c", line 174: warning: initializer does
not fit or is out of range: -1
"/home/jay/src/gcc-4.5.1/gcc/coverage.c", line 330: warning: initializer does
not fit or is out of range: -1


-bash-3.00$ uname -a
SunOS ssol 5.10 Generic_139555-08 sun4u sparc SUNW,Sun-Blade-100


 /home/jay/src/gcc-4.5.1/configure \
        -disable-shared \
        -target=sparc64-sun-solaris2.10 \
        -with-mpfr=/home/jay \
        -disable-nls \
        -prefix=/home/jay \
        -disable-bootstrap \
        -with-as=/usr/ccs/bin/as


read_counts_file (void)
...
gcov_unsigned_t checksum = -1;  # line 174


gcov_type *
get_coverage_counts
...
gcov_unsigned_t checksum = -1; # line 330


bootstrap from:

-bash-3.00$ cc -V
cc: Sun C 5.9 SunOS_sparc Patch 124867-01 2007/07/12
usage: cc [ options] files.  Use 'cc -flags' for details


-1u gives no warning.
nor does (unsigned)-1
nor does, I suspect, (gcov_unsigned_t)-1


-- 
           Summary: warning coverage.c assigns -1 to unsigned, suggest -1u
           Product: gcc
           Version: 4.5.1
            Status: UNCONFIRMED
          Severity: normal
          Priority: P3
         Component: bootstrap
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: jay dot krell at cornell dot edu


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=45372