[Webkit-unassigned] [Bug 68781] New: DFG tracking of the value in cachedResultRegister does not handle op_mov correctly

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=68781

           Summary: DFG tracking of the value in cachedResultRegister does
                    not handle op_mov correctly
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fpizlo at apple.com


The old JIT implementation of op_mov does not handle the cachedResultRegister the same way as other operations.  The DFG's tracking does not take this into account.

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