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    <head>
      <base href="https://bugs.webkit.org/" />
    </head>
    <body><table border="1" cellspacing="0" cellpadding="8">
        <tr>
          <th>Bug ID</th>
          <td><a class="bz_bug_link 
          bz_status_NEW "
   title="NEW - AX: com.apple.WebKit.WebContent crashed at WebCore: WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored const"
   href="https://bugs.webkit.org/show_bug.cgi?id=138905">138905</a>
          </td>
        </tr>

        <tr>
          <th>Summary</th>
          <td>AX: com.apple.WebKit.WebContent crashed at WebCore: WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored const
          </td>
        </tr>

        <tr>
          <th>Classification</th>
          <td>Unclassified
          </td>
        </tr>

        <tr>
          <th>Product</th>
          <td>WebKit
          </td>
        </tr>

        <tr>
          <th>Version</th>
          <td>528+ (Nightly build)
          </td>
        </tr>

        <tr>
          <th>Hardware</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>OS</th>
          <td>All
          </td>
        </tr>

        <tr>
          <th>Status</th>
          <td>NEW
          </td>
        </tr>

        <tr>
          <th>Keywords</th>
          <td>InRadar
          </td>
        </tr>

        <tr>
          <th>Severity</th>
          <td>Normal
          </td>
        </tr>

        <tr>
          <th>Priority</th>
          <td>P2
          </td>
        </tr>

        <tr>
          <th>Component</th>
          <td>Accessibility
          </td>
        </tr>

        <tr>
          <th>Assignee</th>
          <td>webkit-unassigned@lists.webkit.org
          </td>
        </tr>

        <tr>
          <th>Reporter</th>
          <td>cfleizach@apple.com
          </td>
        </tr>

        <tr>
          <th>CC</th>
          <td>webkit-bug-importer@group.apple.com
          </td>
        </tr></table>
      <p>
        <div>
        <pre>Exception Type:  EXC_BAD_ACCESS (SIGSEGV)
Exception Subtype: KERN_INVALID_ADDRESS at 0x00000008
Triggered by Thread:  0

Filtered syslog:
None found

Thread 0 name:  Dispatch queue: com.apple.main-thread
Thread 0 Crashed:
0   WebCore                           0x33714618 WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored() const + 180 (RenderObject.h:160)
1   WebCore                           0x337061e8 WebCore::AccessibilityObject::accessibilityIsIgnored() const + 212 (AccessibilityObject.cpp:2517)
2   WebCore                           0x33703c40 WebCore::AXObjectCache::getOrCreate(WebCore::RenderObject*) + 1364 (AXObjectCache.cpp:435)
3   WebCore                           0x33711f70 WebCore::AccessibilityObject::isARIAHidden() const + 188 (AccessibilityObject.cpp:2468)
4   WebCore                           0x337144da WebCore::AccessibilityRenderObject::defaultObjectInclusion() const + 94 (AccessibilityObject.cpp:2489)
5   WebCore                           0x33714578 WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored() const + 20 (AccessibilityRenderObject.cpp:1169)
6   WebCore                           0x337061e8 WebCore::AccessibilityObject::accessibilityIsIgnored() const + 212 (AccessibilityObject.cpp:2517)
7   WebCore                           0x33703c40 WebCore::AXObjectCache::getOrCreate(WebCore::RenderObject*) + 1364 (AXObjectCache.cpp:435)
8   WebCore                           0x33711f70 WebCore::AccessibilityObject::isARIAHidden() const + 188 (AccessibilityObject.cpp:2468)
9   WebCore                           0x337144da WebCore::AccessibilityRenderObject::defaultObjectInclusion() const + 94 (AccessibilityObject.cpp:2489)
10  WebCore                           0x33714578 WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored() const + 20 (AccessibilityRenderObject.cpp:1169)
11  WebCore                           0x337061e8 WebCore::AccessibilityObject::accessibilityIsIgnored() const + 212 (AccessibilityObject.cpp:2517)
12  WebCore                           0x33703c40 WebCore::AXObjectCache::getOrCreate(WebCore::RenderObject*) + 1364 (AXObjectCache.cpp:435)
13  WebCore                           0x33711f70 WebCore::AccessibilityObject::isARIAHidden() const + 188 (AccessibilityObject.cpp:2468)
14  WebCore                           0x337144da WebCore::AccessibilityRenderObject::defaultObjectInclusion() const + 94 (AccessibilityObject.cpp:2489)
15  WebCore                           0x33714578 WebCore::AccessibilityRenderObject::computeAccessibilityIsIgnored() const + 20 (AccessibilityRenderObject.cpp:1169)
16  WebCore                           0x337061e8 WebCore::AccessibilityObject::accessibilityIsIgnored() const + 212 (AccessibilityObject.cpp:2517)
17  WebCore                           0x33703c40 WebCore::AXObjectCache::getOrCreate(WebCore::RenderObject*) + 1364 (AXObjectCache.cpp:435)
18  WebCore                           0x33704432 WebCore::AXObjectCache::textChanged(WebCore::RenderObject*) + 6 (AXObjectCache.cpp:625)
19  WebCore                           0x33e1f1ea WebCore::RenderText::setText(WTF::String const&, bool) + 274 (RenderText.cpp:1109)
20  WebCore                           0x3360bc50 WebCore::RenderMenuList::setText(WTF::String const&) + 76 (RenderMenuList.cpp:296)
21  WebCore                           0x3360bae0 WebCore::RenderMenuList::setTextFromOption(int) + 376 (RenderMenuList.cpp:287)
22  WebCore                           0x3360ca88 WebCore::HTMLSelectElement::selectOption(int, unsigned int) + 360 (HTMLSelectElement.cpp:894)
23  WebCore                           0x33b55618 WebCore::setJSHTMLSelectElementSelectedIndex(JSC::ExecState*, JSC::JSObject*, long long, long long) + 260 (JSHTMLSelectElement.cpp:723)
24  JavaScriptCore                    0x28170b3a JSC::callCustomSetter(JSC::ExecState*, JSC::JSValue, JSC::JSObject*, JSC::JSValue, JSC::JSValue) + 34 (CustomGetterSetter.cpp:44)
25  JavaScriptCore                    0x28009622 JSC::JSObject::put(JSC::JSCell*, JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 682 (JSObject.cpp:383)
26  WebCore                           0x336af89c WebCore::JSHTMLSelectElement::put(JSC::JSCell*, JSC::ExecState*, JSC::PropertyName, JSC::JSValue, JSC::PutPropertySlot&) + 64 


<rdar://problem/19036181></pre>
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