Bug 107376

The storage/indexeddb/cursor-advance.html layout test is flakily crashing on release builders. http://test-results.appspot.com/dashboards/flakiness_dashboard.html#group=%40ToT%20-%20webkit.org&tests=storage%2Findexeddb%2Fcursor-advance.html Here's the limited crash log: Crash log for DumpRenderTree (pid 30330): ... [Thread debugging using libthread_db enabled] Core was generated by `/home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/Programs/D'. Program terminated with signal 11, Segmentation fault. #0 0x00007f1f97938b9f in WebCore::JSEventListener::~JSEventListener() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 ... Thread 1 (Thread 0x7f1f37f5f700 (LWP 4749)): #0 0x00007f1f97938b9f in WebCore::JSEventListener::~JSEventListener() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #1 0x00007f1f97938c09 in WebCore::JSEventListener::~JSEventListener() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #2 0x00007f1f97951269 in WTF::Vector<WebCore::RegisteredEventListener, 1ul>::shrink(unsigned long) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #3 0x00007f1f97b33bcd in WebCore::EventTargetData::~EventTargetData() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #4 0x00007f1f98782496 in WebCore::IDBTransaction::~IDBTransaction() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #5 0x00007f1f987826e9 in WebCore::IDBTransaction::~IDBTransaction() () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #6 0x00007f1f98779a89 in WTF::Vector<WTF::RefPtr<WebCore::IDBTransaction>, 0ul>::shrink(unsigned long) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #7 0x00007f1f98779acb in WTF::ThreadSpecific<WTF::Vector<WTF::RefPtr<WebCore::IDBTransaction>, 0ul> >::destroy(void*) () from /home/slave/webkitgtk/gtk-linux-64-release/build/WebKitBuild/Release/.libs/libwebkitgtk-3.0.so.0 #8 0x00007f1f94ec2139 in __nptl_deallocate_tsd () from /lib/x86_64-linux-gnu/libpthread.so.0 #9 0x00007f1f94ec2b5e in start_thread () from /lib/x86_64-linux-gnu/libpthread.so.0 #10 0x00007f1f94c0ca7d in clone () from /lib/x86_64-linux-gnu/libc.so.6 #11 0x0000000000000000 in ?? ()