[Webkit-unassigned] [Bug 195638] New: [JSC] CodeBlock::visitChildren is reporting extra memory even when its JITCode is singleton

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=195638

            Bug ID: 195638
           Summary: [JSC] CodeBlock::visitChildren is reporting extra
                    memory even when its JITCode is singleton
           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: ticaiolima at gmail.com

After https://bugs.webkit.org/show_bug.cgi?id=194659, we have singleton DirectJITCode per entrypoint type on no JIT configuration. However, we still use setJITCode and keep reporting extra memory for those JITCodes, even if they being shared.
Extra memory is used by `Heap::updateAllocationLimits` and having higher value can potentially put more pressure on GC.

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