CLang build warning in CheckedPtr.h

[Philippe Normand]

/app/webkit/WebKitBuild/Debug/WTF/Headers/wtf/CheckedPtr.h:108:52: warning: 'this' pointer cannot be null in well-defined C++ code; pointer may be assumed to always convert to true [-Wundefined-bool-conversion]
    inline const T& operator*() const { do { if (!(this)) { WTFReportAssertionFailure("/app/webkit/WebKitBuild/Debug/WTF/Headers/wtf/CheckedPtr.h", 108, __PRETTY_FUNCTION__, "this"); do { WTF::isIntegralOrPointerType(); compilerFenceForCrash(); WTFCrashWithInfo(108, "/app/webkit/WebKitBuild/Debug/WTF/Headers/wtf/CheckedPtr.h", __PRETTY_FUNCTION__, 2989); } while (false); } } while (0); return *get(); }
                                                 ~ ^~~~
/app/webkit/Source/WebCore/layout/integration/LayoutIntegrationInlineContent.h:74:51: note: in instantiation of member function 'WTF::CheckedPtr<const WebCore::LayoutIntegration::LineLayout>::operator*' requested here
    const LineLayout& lineLayout() const { return *m_lineLayout; }
                                                  ^
2 warnings generated.

[Philippe Normand]

Created attachment 441065 [details]
Patch

[Philippe Normand]

Created attachment 441068 [details]
Patch

[Philippe Normand]

Created attachment 441069 [details]
Patch

[EWS]

Committed r284092 (242920@main): <https://commits.webkit.org/242920@main>

All reviewed patches have been landed. Closing bug and clearing flags on attachment 441069 [details].

[Radar WebKit Bug Importer]

<rdar://problem/84197572>