[Webkit-unassigned] [Bug 183523] New: ClassExprNode evaluation of computed property names differs observably from spec and other implementations

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=183523

            Bug ID: 183523
           Summary: ClassExprNode evaluation of computed property names
                    differs observably from spec and other implementations
           Product: WebKit
           Version: Safari Technology Preview
          Hardware: Unspecified
                OS: Unspecified
            Status: NEW
          Severity: Normal
          Priority: P2
         Component: JavaScriptCore
          Assignee: webkit-unassigned at lists.webkit.org
          Reporter: caitp at igalia.com

https://jsfiddle.net/kposmd21/ is an example reproduction.

WebKit produces:

```
name(2)
name(1)
name(3)
name1 called
name2 called
name3 called
```

while Chrome and FireFox produce:

```
name(1)
name(2)
name(3)
name1 called
name2 called
name3 called
```

----

The spec indicates that Chrome and FF's behaviour is correct here.

This becomes even more potentially weird with the introduction of class fields, in https://bugs.webkit.org/show_bug.cgi?id=174212 --- class elements should be evaluated in order, regardless of whether or not they are methods or class fields, and regardless of whether or not they are static or belong on the instance.

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