Steps to reproduce : Launch MiniBrowser Right click -> Inspect Element boom! ASSERTION FAILED: m_currentCallFrame /Users/alexisme/Development/webkit/Source/WebCore/bindings/js/ScriptDebugServer.cpp(403) : void WebCore::ScriptDebugServer::updateCallFrameAndPauseIfNeeded(const JSC::DebuggerCallFrame &, intptr_t, int, int) 1 0x104b9fe26 WebCore::ScriptDebugServer::updateCallFrameAndPauseIfNeeded(JSC::DebuggerCallFrame const&, long, int, int) 2 0x104ba0106 WebCore::ScriptDebugServer::exception(JSC::DebuggerCallFrame const&, long, int, int, bool) 3 0x10254096f JSC::Interpreter::throwException(JSC::ExecState*&, JSC::JSValue&, unsigned int) 4 0x102562a6b JSC::genericThrow(JSC::JSGlobalData*, JSC::ExecState*, JSC::JSValue, unsigned int) 5 0x10265e5bb JSC::LLInt::callToThrow(JSC::ExecState*, JSC::Instruction*) 6 0x10266a609 JSC::LLInt::handleHostCall(JSC::ExecState*, JSC::Instruction*, JSC::JSValue, JSC::CodeSpecializationKind) 7 0x10266b3bc JSC::LLInt::setUpCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind, JSC::JSValue, JSC::LLIntCallLinkInfo*) 8 0x10266b34b JSC::LLInt::genericCall(JSC::ExecState*, JSC::Instruction*, JSC::CodeSpecializationKind) 9 0x10266830c llint_slow_path_call 10 0x102670b77 llint_op_call 11 0x102545af4 JSC::JITCode::execute(JSC::JSStack*, JSC::ExecState*, JSC::JSGlobalData*) 12 0x102542485 JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) 13 0x1023b2031 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) 14 0x1042d9d32 WebCore::JSMainThreadExecState::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) 15 0x104b93fd3 WebCore::ScriptController::evaluateInWorld(WebCore::ScriptSourceCode const&, WebCore::DOMWrapperWorld*) 16 0x104b94124 WebCore::ScriptController::evaluate(WebCore::ScriptSourceCode const&) 17 0x103efe8ff WebCore::InspectorClient::doDispatchMessageOnFrontendPage(WebCore::Page*, WTF::String const&) 18 0x10073f721 WebInspectorClient::sendMessageToFrontend(WTF::String const&) 19 0x10073f75f non-virtual thunk to WebInspectorClient::sendMessageToFrontend(WTF::String const&) 20 0x103f7d81a WebCore::InspectorFrontend::Debugger::scriptParsed(WTF::String const&, WTF::String const&, int, int, int, int, bool const*, WTF::String const*, bool const*) 21 0x103f4952c WebCore::InspectorDebuggerAgent::didParseSource(WTF::String const&, WebCore::ScriptDebugListener::Script const&) 22 0x103f49aa7 non-virtual thunk to WebCore::InspectorDebuggerAgent::didParseSource(WTF::String const&, WebCore::ScriptDebugListener::Script const&) 23 0x104b9f709 WebCore::ScriptDebugServer::dispatchDidParseSource(WTF::HashSet<WebCore::ScriptDebugListener*, WTF::PtrHash<WebCore::ScriptDebugListener*>, WTF::HashTraits<WebCore::ScriptDebugListener*> > const&, JSC::SourceProvider*, bool) 24 0x104b9faa6 WebCore::ScriptDebugServer::sourceParsed(JSC::ExecState*, JSC::SourceProvider*, int, WTF::String const&) 25 0x1025d963d JSC::JSGlobalObject::createProgramCodeBlock(JSC::ExecState*, JSC::ProgramExecutable*, JSC::JSObject**) 26 0x102510b71 JSC::ProgramExecutable::initializeGlobalProperties(JSC::JSGlobalData&, JSC::ExecState*, JSC::JSScope*) 27 0x1025421d3 JSC::Interpreter::execute(JSC::ProgramExecutable*, JSC::ExecState*, JSC::JSObject*) 28 0x1023b2031 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) 29 0x1042d9d32 WebCore::JSMainThreadExecState::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, JSC::JSValue*) 30 0x1042d98ca WebCore::InjectedScriptManager::createInjectedScript(WTF::String const&, JSC::ExecState*, int) 31 0x103e873a1 WebCore::InjectedScriptManager::injectedScriptFor(JSC::ExecState*) Sometimes I need to click twice on "Inspect Element", the first one doing nothing (which is weird).
<rdar://problem/13555733>
Closing as invalid, as this bug pertains to the old inspector UI and/or its tests. Please file a new bug (https://www.webkit.org/new-inspector-bug) if the bug/feature/issue is still relevant to WebKit trunk.