[Webkit-unassigned] [Bug 69918] New: DFG JIT 32_64 - Fix ArrayPop

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=69918

           Summary: DFG JIT 32_64 - Fix ArrayPop
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: UNCONFIRMED
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: yuqiang.xian at intel.com
                CC: barraclough at apple.com, fpizlo at apple.com


The storageLengthGPR is polluted by EmptyValueTag and later used to index the array, which results in abnormal behaviors in execution. This fix makes 32_64 DFG pass v8-deltablue and kraken crypto-sha256-iterative on Linux ia32.

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