[Webkit-unassigned] [Bug 187827] New: DFG AbstractInterpreter: CheckArray filters array modes for DirectArguments using NonIndexingShape

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=187827

            Bug ID: 187827
           Summary: DFG AbstractInterpreter: CheckArray filters array
                    modes for DirectArguments using NonIndexingShape
           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

In the Abstract Interpreter, when we process ArrayCheck nodes, for DirectArgument array types we filter array modes using the mask of 1 (NonIndexingShape).  DirectArguments has a ArrayStorageShape indexing type.

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