[Webkit-unassigned] [Bug 162720] New: Arrow functions do not infer name from computed property but normal functions do

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=162720

            Bug ID: 162720
           Summary: Arrow functions do not infer name from computed
                    property but normal functions do
    Classification: Unclassified
           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: joepeck at webkit.org
                CC: sbarati at apple.com

Summary:
Arrow functions do not infer name from computed property but normal functions do

Test:
js> function funcName() { return "funcName" }
...
js> ({"func": function(){}}).func.name
"func"
js> ({["func"]: function(){}}).func.name
"func"
js> ({[funcName()]: function(){}}).func.name
"func"
js> ({func: ()=>{}}).func.name
"func"
js> ({["func"]: ()=>{}}).func.name
""
js> ({[funcName()]: ()=>{}}).func.name
""

Why is this? And is this actually specced anywhere? Maybe this is runtime, since evaluating funcName() must happen at runtime.

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