[Webkit-unassigned] [Bug 168585] New: BytecodeGenerator should not iterate its m_controlFlowScopeStack using a pointer bump.

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=168585

            Bug ID: 168585
           Summary: BytecodeGenerator should not iterate its
                    m_controlFlowScopeStack using a pointer bump.
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Local Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: mark.lam at apple.com

This is because m_controlFlowScopeStack is a SegmentedVector, and entries for consecutive indices in the vector are not guaranteed to be consecutive in memory layout.  Instead, we should be using indexing instead.

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