[Webkit-unassigned] [Bug 163264] New: B3->Air lowering needs the same defenses in effectiveAddr() that it has in tryAppendLea()

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=163264

            Bug ID: 163264
           Summary: B3->Air lowering needs the same defenses in
                    effectiveAddr() that it has in tryAppendLea()
    Classification: Unclassified
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

There are two ways we may end up matching left-shifts into address calculations: effectiveAddr() and tryAppendLea(). tryAppendLea() does it right, effectiveAddr() does it wrong.

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