[Webkit-unassigned] [Bug 66263] New: DFG JIT does not always zero extend boolean result of DFG operations

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=66263

           Summary: DFG JIT does not always zero extend boolean result of
                    DFG operations
           Product: WebKit
           Version: 528+ (Nightly build)
          Platform: Unspecified
        OS/Version: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
        AssignedTo: webkit-unassigned at lists.webkit.org
        ReportedBy: barraclough at apple.com


Functions returning bool results return values only valid to 8-bits.  The DFG JIT does not always extend bool results of DFG operations before treating them as 64-bit values.  This can be fixed by changing the return values of these functions.

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