[Webkit-unassigned] [Bug 174355] New: [JSC] Implement Map iterator in builtin JS to encourage object allocation sinking

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=174355

            Bug ID: 174355
           Summary: [JSC] Implement Map iterator in builtin JS to
                    encourage object allocation sinking
           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: utatane.tea at gmail.com

We should reform our Set/Map iterator implementation.

1. We should take the design similar to our current Array iterator design to encourage object allocation sinking.
2. Our iterator should hold hash bucket and iterate it. We will implement it in C++ function. And then, we annotate it with intrinsic. And DFG should handle it.

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