[Webkit-unassigned] [Bug 246179] New: [JSC][32bit] HashTable's deletedValue conflict with cell payload

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=246179

            Bug ID: 246179
           Summary: [JSC][32bit] HashTable's deletedValue conflict with
                    cell payload
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mikhail at igalia.com

When processing callees in the sampling profiler a cell payload can be 0xFFFFFFFF, which becomes -1 in 32bit systems, causing an assertion to fail in HashTable<Key, Value, Extractor, HashFunctions, Traits, KeyTraits>::checkKey(const T& key) when it compares the key to its default deletedValue (-1).

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