[Webkit-unassigned] [Bug 64911] New: DFG non-speculative JIT does not use() the aliased GetByVal, resulting in bloated use counts

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=64911

           Summary: DFG non-speculative JIT does not use() the aliased
                    GetByVal, resulting in bloated use counts
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: All
        OS/Version: All
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: fpizlo at apple.com


The DFG non-speculative JIT does not use() the aliased GetByVal when compiling GetByVal, which results in that first GetByVal's use count never dropping to zero.  The DFG non-speculative JIT should call use() on the aliased GetByVal.

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