[Webkit-unassigned] [Bug 136599] New: New clang warns about boolean checks for |this| pointer in RenderObject debug methods

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=136599

           Summary: New clang warns about boolean checks for |this|
                    pointer in RenderObject debug methods
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Layout and Rendering
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: ddkilzer at webkit.org
                CC: hyatt at apple.com, zalan at apple.com,
                    simon.fraser at apple.com


New builds of clang warn about boolean checks for the |this| pointer being undefined behavior:

Source/WebCore/rendering/RenderObject.cpp:1465:10: error: 'this' pointer cannot be null in wel
l-defined C++ code; pointer may be assumed to always convert to true [-Werror,-Wundefined-bool-conversion]
    if (!this) {
        ~^~~~
Source/WebCore/rendering/RenderObject.cpp:1584:10: error: 'this' pointer cannot be null in wel
l-defined C++ code; pointer may be assumed to always convert to true [-Werror,-Wundefined-bool-conversion]
    if (!this)
        ~^~~~
2 errors generated.

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