from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityScrollView.cpp:27:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSVariableObject.h: In constructor 'JSC::JSVariableObject::JSVariableObject(JSC::JSGlobalData&, JSC::Structure*, JSC::SymbolTable*, JSC::Register*)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSVariableObject.h:75:25: warning: typedef 'dummyRegister_should_be_same_size_as_WriteBarrier' locally defined but not used [-Wunused-local-typedefs]
             COMPILE_ASSERT(sizeof(WriteBarrier<Unknown>) == sizeof(Register), Register_should_be_same_size_as_WriteBarrier);
                         ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMGlobalObject.h:30:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMWrapper.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/ScriptWrappable.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:31,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityScrollView.h:29,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityScrollView.cpp:27:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h: In constructor 'JSC::JSGlobalObject::JSGlobalObject(JSC::JSGlobalData&, JSC::Structure*)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h:127:25: warning: typedef 'dummyJSGlobalObject_has_only_a_single_slot' locally defined but not used [-Wunused-local-typedefs]
             COMPILE_ASSERT(JSGlobalObject::AnonymousSlotCount == 1, JSGlobalObject_has_only_a_single_slot);
                         ^
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h: In constructor 'JSC::JSGlobalObject::JSGlobalObject(JSC::JSGlobalData&, JSC::Structure*, JSC::JSObject*)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h:140:25: warning: typedef 'dummyJSGlobalObject_has_only_a_single_slot' locally defined but not used [-Wunused-local-typedefs]
             COMPILE_ASSERT(JSGlobalObject::AnonymousSlotCount == 1, JSGlobalObject_has_only_a_single_slot);
                         ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/CrossThreadRefCounted.h:36:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/StringImpl.h:28,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/AtomicStringImpl.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/AtomicString.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/StringHash.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/platform/ThreadGlobalData.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/EventNames.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/EventTarget.h:35,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:28,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityScrollView.h:29,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityScrollView.cpp:27:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/RefCounted.h: In instantiation of 'void WTF::RefCounted<T>::deref() [with T = WebCore::Frame]':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassRefPtr.h:59:13:   required from 'void WTF::derefIfNotNull(T*) [with T = WebCore::Frame]'
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/RefPtr.h:58:83:   required from 'WTF::RefPtr<T>::~RefPtr() [with T = WebCore::Frame]'
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/page/FrameTree.h:37:29:   required from here
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/RefCounted.h:141:13: warning: deleting object of polymorphic class type 'WebCore::Frame' which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor]
             delete static_cast<T*>(this);
             ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/Vector.h:27:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/platform/graphics/IntRect.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/StdLibExtras.h: In function 'TO WTF::bitwise_cast(FROM)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/StdLibExtras.h:96:17: warning: typedef 'dummyWTF_bitwise_cast_sizeof_casted_types_is_equal' locally defined but not used [-Wunused-local-typedefs]
     COMPILE_ASSERT(sizeof(TO) == sizeof(FROM), WTF_bitwise_cast_sizeof_casted_types_is_equal);
                 ^
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/StdLibExtras.h: In function 'size_t WTF::roundUpToMultipleOf(size_t)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/StdLibExtras.h:120:17: warning: typedef 'dummydivisor_is_a_power_of_two' locally defined but not used [-Wunused-local-typedefs]
     COMPILE_ASSERT(divisor && !(divisor & (divisor - 1)), divisor_is_a_power_of_two);
                 ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/VectorTraits.h:24:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/Vector.h:29,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/platform/graphics/IntRect.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h: In member function 'bool WTF::OwnPtr<T>::operator==(const WTF::OwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h:87:78: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator==(const OwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                              ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/VectorTraits.h:24:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/Vector.h:29,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/platform/graphics/IntRect.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h: In member function 'bool WTF::OwnPtr<T>::operator!=(const WTF::OwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h:88:78: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator!=(const OwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                              ^
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h: In member function 'bool WTF::OwnPtr<T>::operator==(const WTF::PassOwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h:89:82: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator==(const PassOwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                                  ^
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h: In member function 'bool WTF::OwnPtr<T>::operator!=(const WTF::PassOwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/OwnPtr.h:90:82: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator!=(const PassOwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                                  ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/StringImpl.h:32:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/AtomicStringImpl.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/AtomicString.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/StringHash.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/platform/ThreadGlobalData.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/EventNames.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/EventTarget.h:35,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:28,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/StringHasher.h: In static member function 'static unsigned int WTF::StringHasher::hashMemory(const void*)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/StringHasher.h:140:21: warning: typedef 'dummylength_must_be_a_multible_of_four' locally defined but not used [-Wunused-local-typedefs]
         COMPILE_ASSERT(!(length % 4), length_must_be_a_multible_of_four);
                     ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/PropertyMapHashTable.h:27:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/Structure.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/ScopeChain.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSObject.h:35,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSArray.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMGlobalObject.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMWrapper.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/ScriptWrappable.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:31,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h: In member function 'bool WTF::PassOwnPtr<T>::operator==(const WTF::PassOwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h:95:82: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator==(const PassOwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                                  ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/PropertyMapHashTable.h:27:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/Structure.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/ScopeChain.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSObject.h:35,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSArray.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMGlobalObject.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMWrapper.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/ScriptWrappable.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:31,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h: In member function 'bool WTF::PassOwnPtr<T>::operator!=(const WTF::PassOwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h:96:82: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator!=(const PassOwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                                  ^
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h: In member function 'bool WTF::PassOwnPtr<T>::operator==(const WTF::OwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h:97:78: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator==(const OwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                              ^
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h: In member function 'bool WTF::PassOwnPtr<T>::operator!=(const WTF::OwnPtr<U>&)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassOwnPtr.h:98:78: warning: typedef 'dummyOwnPtrs_should_never_be_equal' locally defined but not used [-Wunused-local-typedefs]
         template<typename U> bool operator!=(const OwnPtr<U>&) { COMPILE_ASSERT(!sizeof(U*), OwnPtrs_should_never_be_equal); return false; }
                                                                              ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h:27:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMGlobalObject.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMWrapper.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/ScriptWrappable.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:31,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSVariableObject.h: In constructor 'JSC::JSVariableObject::JSVariableObject(JSC::JSGlobalData&, JSC::Structure*, JSC::SymbolTable*, JSC::Register*)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSVariableObject.h:75:25: warning: typedef 'dummyRegister_should_be_same_size_as_WriteBarrier' locally defined but not used [-Wunused-local-typedefs]
             COMPILE_ASSERT(sizeof(WriteBarrier<Unknown>) == sizeof(Register), Register_should_be_same_size_as_WriteBarrier);
                         ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMGlobalObject.h:30:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/JSDOMWrapper.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/bindings/js/ScriptWrappable.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:31,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h: In constructor 'JSC::JSGlobalObject::JSGlobalObject(JSC::JSGlobalData&, JSC::Structure*)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h:127:25: warning: typedef 'dummyJSGlobalObject_has_only_a_single_slot' locally defined but not used [-Wunused-local-typedefs]
             COMPILE_ASSERT(JSGlobalObject::AnonymousSlotCount == 1, JSGlobalObject_has_only_a_single_slot);
                         ^
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h: In constructor 'JSC::JSGlobalObject::JSGlobalObject(JSC::JSGlobalData&, JSC::Structure*, JSC::JSObject*)':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/runtime/JSGlobalObject.h:140:25: warning: typedef 'dummyJSGlobalObject_has_only_a_single_slot' locally defined but not used [-Wunused-local-typedefs]
             COMPILE_ASSERT(JSGlobalObject::AnonymousSlotCount == 1, JSGlobalObject_has_only_a_single_slot);
                         ^
In file included from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/CrossThreadRefCounted.h:36:0,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/StringImpl.h:28,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/AtomicStringImpl.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/AtomicString.h:24,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/text/StringHash.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/platform/ThreadGlobalData.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/EventNames.h:25,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/EventTarget.h:35,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/dom/Node.h:28,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/editing/VisiblePosition.h:30,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityObject.h:34,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.h:33,
                 from /var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/accessibility/AccessibilityRenderObject.cpp:30:
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/RefCounted.h: In instantiation of 'void WTF::RefCounted<T>::deref() [with T = WebCore::Frame]':
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/PassRefPtr.h:59:13:   required from 'void WTF::derefIfNotNull(T*) [with T = WebCore::Frame]'
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/RefPtr.h:58:83:   required from 'WTF::RefPtr<T>::~RefPtr() [with T = WebCore::Frame]'
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/WebCore/page/FrameTree.h:37:29:   required from here
/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7/src/3rdparty/webkit/Source/JavaScriptCore/wtf/RefCounted.h:141:13: warning: deleting object of polymorphic class type 'WebCore::Frame' which has non-virtual destructor might cause undefined behaviour [-Wdelete-non-virtual-dtor]
             delete static_cast<T*>(this);
             ^
 * ERROR: dev-qt/qtwebkit-4.8.7::gentoo failed (compile phase):
 *   emake failed
 * 
 * If you need support, post the output of `emerge --info '=dev-qt/qtwebkit-4.8.7::gentoo'`,
 * the complete build log and the output of `emerge -pqv '=dev-qt/qtwebkit-4.8.7::gentoo'`.
 * The complete build log is located at '/var/tmp/portage/dev-qt/qtwebkit-4.8.7/temp/build.log'.
 * The ebuild environment file is located at '/var/tmp/portage/dev-qt/qtwebkit-4.8.7/temp/environment'.
 * Working directory: '/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7-abi_x86_64.amd64/src/3rdparty/webkit/Source/WebCore'
 * S: '/var/tmp/portage/dev-qt/qtwebkit-4.8.7/work/qt-everywhere-opensource-src-4.8.7'