[Webkit-unassigned] [Bug 147218] New: Simplify DFG::DesiredIdentifiers and make it possible to turn a UniquedStringImpl* into an identifierNumber at any time

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=147218

            Bug ID: 147218
           Summary: Simplify DFG::DesiredIdentifiers and make it possible
                    to turn a UniquedStringImpl* into an identifierNumber
                    at any time
    Classification: Unclassified
           Product: WebKit
           Version: 528+ (Nightly build)
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: fpizlo at apple.com

In trunk, the DFG::ByteCodeParser can turn UniquedStringImpl*'s into identifierNumbers when it parses a new CodeBlock, but it cannot easily do it at any other time.  But it's trivial to just put that functionality inside DFG::DesiredIdentifiers, which will enable any phase (including ByteCodeParser) to turn a UniquedStringImpl* into an identifierNumber at any time.

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