[Webkit-unassigned] [Bug 88141] New: DFG constant folding search for the last local access skips the immediately previous local access

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=88141

           Summary: DFG constant folding search for the last local access
                    skips the immediately previous local access
           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


If you use a loop in the style of:

for (i = start; i--;)

then you need to remember that the first value of 'i' that the loop body will see is 'start - 1'.  Hence the following is probably wrong:

for (i = start - 1; i--;)

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