From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 32169 invoked by alias); 20 Apr 2011 12:10:13 -0000 Received: (qmail 32145 invoked by uid 22791); 20 Apr 2011 12:10:04 -0000 X-SWARE-Spam-Status: No, hits=-2.8 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; Wed, 20 Apr 2011 12:09:51 +0000 From: "sfilippone at uniroma2 dot it" To: gcc-bugs@gcc.gnu.org Subject: [Bug fortran/48700] New: [OOP] memory leak with MOVE_ALLOC of polymorphic variables X-Bugzilla-Reason: CC X-Bugzilla-Type: new X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: fortran X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: sfilippone at uniroma2 dot it X-Bugzilla-Status: UNCONFIRMED X-Bugzilla-Priority: P3 X-Bugzilla-Assigned-To: unassigned at gcc dot gnu.org X-Bugzilla-Target-Milestone: --- X-Bugzilla-Changed-Fields: Message-ID: X-Bugzilla-URL: http://gcc.gnu.org/bugzilla/ Auto-Submitted: auto-generated Content-Type: text/plain; charset="UTF-8" MIME-Version: 1.0 Date: Wed, 20 Apr 2011 12:10:00 -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: 2011-04/txt/msg02140.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=48700 Summary: [OOP] memory leak with MOVE_ALLOC of polymorphic variables Product: gcc Version: 4.7.0 Status: UNCONFIRMED Severity: normal Priority: P3 Component: fortran AssignedTo: unassigned@gcc.gnu.org ReportedBy: sfilippone@uniroma2.it Created attachment 24058 --> http://gcc.gnu.org/bugzilla/attachment.cgi?id=24058 test-case Running the attached test case through valgrind gives memory leak warnings, both with current trunk and 4.6.0 ---------------------------------------------------------------------------- [sfilippo@donald bug31]$ gfortran -v Using built-in specs. COLLECT_GCC=gfortran COLLECT_LTO_WRAPPER=/usr/local/gnu47/libexec/gcc/x86_64-unknown-linux-gnu/4.7.0/lto-wrapper Target: x86_64-unknown-linux-gnu Configured with: ../gcc/configure --prefix=/usr/local/gnu47 --enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp --with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc : (reconfigured) ../gcc/configure --prefix=/usr/local/gnu47 --enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp --with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc : (reconfigured) ../gcc/configure --prefix=/usr/local/gnu47 --enable-languages=c,c++,fortran --with-gmp=/home/travel/GNUBUILD/gmp --with-mpfr=/home/travel/GNUBUILD/mpfr --with-mpc=/home/travel/GNUBUILD/mpc Thread model: posix gcc version 4.7.0 20110418 (experimental) (GCC) [sfilippo@donald bug31]$ gfortran -o testmv3 testmv3.f90 -ggdb [sfilippo@donald bug31]$ valgrind --leak-check=full ./testmv3 ==25909== Memcheck, a memory error detector ==25909== Copyright (C) 2002-2009, and GNU GPL'd, by Julian Seward et al. ==25909== Using Valgrind-3.5.0 and LibVEX; rerun with -h for copyright info ==25909== Command: ./testmv3 ==25909== ==25909== ==25909== HEAP SUMMARY: ==25909== in use at exit: 216 bytes in 4 blocks ==25909== total heap usage: 26 allocs, 22 frees, 12,368 bytes allocated ==25909== ==25909== 40 bytes in 1 blocks are definitely lost in loss record 3 of 4 ==25909== at 0x4A05E46: malloc (vg_replace_malloc.c:195) ==25909== by 0x401425: MAIN__ (testmv3.f90:37) ==25909== by 0x401729: main (testmv3.f90:22) ==25909== ==25909== 176 (96 direct, 80 indirect) bytes in 1 blocks are definitely lost in loss record 4 of 4 ==25909== at 0x4A05E46: malloc (vg_replace_malloc.c:195) ==25909== by 0x400DCF: MAIN__ (testmv3.f90:30) ==25909== by 0x401729: main (testmv3.f90:22) ==25909== ==25909== LEAK SUMMARY: ==25909== definitely lost: 136 bytes in 2 blocks ==25909== indirectly lost: 80 bytes in 2 blocks ==25909== possibly lost: 0 bytes in 0 blocks ==25909== still reachable: 0 bytes in 0 blocks ==25909== suppressed: 0 bytes in 0 blocks ==25909== ==25909== For counts of detected and suppressed errors, rerun with: -v ==25909== ERROR SUMMARY: 2 errors from 2 contexts (suppressed: 6 from 6)