[Webkit-unassigned] [Bug 197552] New: [JSC] Generator CodeBlock generation should be idempotent

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=197552

            Bug ID: 197552
           Summary: [JSC] Generator CodeBlock generation should be
                    idempotent
           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: ysuzuki at apple.com

ES6 Generator can save the execution state inside an object.
When the underlying CodeBlock is jettisoned and generated again, if the CodeBlock content is different, resume becomes totally broken!
e.g. regenerating CodeBlock with Debugger.

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