[Webkit-unassigned] [Bug 189380] New: Improper speculation type for Math.pow(NaN, 0) in Abstract Interpreter

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=189380

            Bug ID: 189380
           Summary: Improper speculation type for Math.pow(NaN, 0) in
                    Abstract Interpreter
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: msaboff at apple.com

Given that Math.pow(NaN, 0) gives the result of 1, the computed SpeculatedType for ArithPow(NaN, non-NaN) should include Double values.

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