[Webkit-unassigned] [Bug 71195] New: DFG ValueAdd(string, int) should not fail speculation

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=71195

           Summary: DFG ValueAdd(string, int) should not fail speculation
           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


Because we still have some goofy logic left over from the static speculation days, an addition will end up speculating integer if either operand is predicted integer and neither operand has doublyness.  But this means that string+int concatenation fails speculation every time.

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