[Webkit-unassigned] [Bug 257697] New: [JSC] delete operator shouldn't perform TDZ checks

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=257697

            Bug ID: 257697
           Summary: [JSC] delete operator shouldn't perform TDZ checks
           Product: WebKit
           Version: WebKit Nightly Build
          Hardware: All
                OS: All
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: ashvayka at apple.com

Delete operator (https://tc39.es/ecma262/#sec-delete-operator-runtime-semantics-evaluation) calls into DeleteBinding abstract op, while TDZ check (and throwing ReferenceErrors) happens in GetBindingValue.

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