[Webkit-unassigned] [Bug 184049] Executing "insertunorderedlist" while selecting a contenteditable element inside a shadow dom hangs the browser

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=184049

--- Comment #5 from Ryosuke Niwa <rniwa at webkit.org> ---
Looks like TextIterator is getting stuck:

1213 WebCore::JSExecState::profiledEvaluate(JSC::ExecState*, JSC::ProfilingReason, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)  (in WebCore) + 84  [0x10be059a4]
  1213 JSC::evaluate(JSC::ExecState*, JSC::SourceCode const&, JSC::JSValue, WTF::NakedPtr<JSC::Exception>&)  (in JavaScriptCore) + 287  [0x578a193df]
    1213 JSC::Interpreter::executeProgram(JSC::SourceCode const&, JSC::ExecState*, JSC::JSObject*)  (in JavaScriptCore) + 11170  [0x57887a1e2]
      1213 vmEntryToJavaScript  (in JavaScriptCore) + 200  [0x57835d029]
        1213 llint_entry  (in JavaScriptCore) + 26835  [0x578363ab6]
          1213 ???  (in <unknown binary>)  [0x48e61f28177]
            1213 WebCore::jsDocumentPrototypeFunctionExecCommand(JSC::ExecState*)  (in WebCore) + 533  [0x10b4807d5]
              1213 WebCore::Document::execCommand(WTF::String const&, bool, WTF::String const&)  (in WebCore) + 73  [0x10b480999]
                1213 WebCore::executeInsertOrderedList(WebCore::Frame&, WebCore::Event*, WebCore::EditorCommandSource, WTF::String const&)  (in WebCore) + 48  [0x10c0ba740]
                  1213 WebCore::CompositeEditCommand::apply()  (in WebCore) + 268  [0x10b439c5c]
                    959 WebCore::InsertListCommand::doApply()  (in WebCore) + 879  [0x10c0cab2f]
                    ! 702 WebCore::indexForVisiblePosition(WebCore::VisiblePosition const&, WTF::RefPtr<WebCore::ContainerNode, WTF::DumbPtrTraits<WebCore::ContainerNode> >&)  (in WebCore) + 386  [0x10c09d1f2]
                    ! : 455 WebCore::TextIterator::rangeLength(WebCore::Range const*, bool)  (in WebCore) + 36  [0x10b436e84]
                    ! : | 191 WebCore::TextIterator::init()  (in WebCore) + 386  [0x10c0e84e2]
                    ! : | + 46 WebCore::TextIterator::advance()  (in WebCore) + 436  [0x10b3aa644]

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