From mboxrd@z Thu Jan 1 00:00:00 1970 Return-Path: Received: (qmail 18559 invoked by alias); 29 Jan 2012 15:30:31 -0000 Received: (qmail 18540 invoked by uid 22791); 29 Jan 2012 15:30:30 -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; Sun, 29 Jan 2012 15:30:18 +0000 From: "howarth at nitro dot med.uc.edu" To: gcc-bugs@gcc.gnu.org Subject: [Bug libstdc++/51906] thread lock test failures on darwin11 under Xcode 4.2 Date: Sun, 29 Jan 2012 17:04:00 -0000 X-Bugzilla-Reason: CC X-Bugzilla-Type: changed X-Bugzilla-Watch-Reason: None X-Bugzilla-Product: gcc X-Bugzilla-Component: libstdc++ X-Bugzilla-Keywords: X-Bugzilla-Severity: normal X-Bugzilla-Who: howarth at nitro dot med.uc.edu 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: 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/msg03405.txt.bz2 http://gcc.gnu.org/bugzilla/show_bug.cgi?id=51906 --- Comment #18 from Jack Howarth 2012-01-29 15:30:12 UTC --- Here is a single stepping through 30_threads/try_lock/3.cc at -m64... (gdb) break main Breakpoint 1 at 0x100000cd0: file /sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20120126/libstdc++-v3/testsuite/30_threads/try_lock/3.cc, line 64. (gdb) r Starting program: /sw/src/fink.build/gcc47-4.7.0-1/darwin_objdir/x86_64-apple-darwin11.2.0/libstdc++-v3/testsuite/3.exe Reading symbols for shared libraries ++++........................ done Breakpoint 1, main () at /sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20120126/libstdc++-v3/testsuite/30_threads/try_lock/3.cc:64 64 std::recursive_mutex m2; (gdb) s 63 std::mutex m1; (gdb) 64 std::recursive_mutex m2; (gdb) 63 std::mutex m1; (gdb) 64 std::recursive_mutex m2; (gdb) 755 return __gthrw_(pthread_mutex_trylock) (__mutex); (gdb) 64 std::recursive_mutex m2; (gdb) 755 return __gthrw_(pthread_mutex_trylock) (__mutex); (gdb) 0x0000000100000e5a in dyld_stub_pthread_mutex_trylock () (gdb) Single stepping until exit from function dyld_stub_pthread_mutex_trylock, which has no line number information. main () at mutex:679 679 if (__lock.owns_lock()) (gdb) 755 return __gthrw_(pthread_mutex_trylock) (__mutex); (gdb) 0x0000000100000e5a in dyld_stub_pthread_mutex_trylock () (gdb) Single stepping until exit from function dyld_stub_pthread_mutex_trylock, which has no line number information. 0x00007fff8dde0bfb in pthread_mutex_trylock () (gdb) Single stepping until exit from function pthread_mutex_trylock, which has no line number information. main () at mutex:679 679 if (__lock.owns_lock()) (gdb) 776 return __gthrw_(pthread_mutex_unlock) (__mutex); (gdb) 0x0000000100000e60 in dyld_stub_pthread_mutex_unlock () (gdb) Single stepping until exit from function dyld_stub_pthread_mutex_unlock, which has no line number information. main () at /sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20120126/libstdc++-v3/testsuite/30_threads/try_lock/3.cc:71 71 VERIFY( result == -1 ); (gdb) 0x0000000100000e42 in dyld_stub___assert_rtn () (gdb) Single stepping until exit from function dyld_stub___assert_rtn, which has no line number information. Assertion failed: (result == -1), function main, file /sw/src/fink.build/gcc47-4.7.0-1/gcc-4.7-20120126/libstdc++-v3/testsuite/30_threads/try_lock/3.cc, line 71. Program received signal SIGABRT, Aborted. 0x00007fff927c182a in __kill () (gdb)