[Webkit-unassigned] [Bug 262891] New: WTF::computeHash() with RefPtr/CheckedPtr hashes the result of implicit boolean conversion

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=262891

            Bug ID: 262891
           Summary: WTF::computeHash() with RefPtr/CheckedPtr hashes the
                    result of implicit boolean conversion
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: Web Template Framework
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: koivisto at iki.fi

This can result in terrible hashing if the key contains RefPtrs, for example

using ResolverSharingKey = std::tuple<Vector<RefPtr<StyleSheetContents>>, bool, bool>;

in Style::Scope.

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