[Webkit-unassigned] [Bug 159398] [test262] Fixing mapped arguments object property test case

[bugzilla-daemon at webkit.org]

https://bugs.webkit.org/show_bug.cgi?id=159398

--- Comment #30 from Darin Adler <darin at apple.com> ---
Comment on attachment 284980
  --> https://bugs.webkit.org/attachment.cgi?id=284980
Patch

View in context: https://bugs.webkit.org/attachment.cgi?id=284980&action=review

> Source/JavaScriptCore/runtime/GenericArguments.h:59
> +private:
> +

WebKit coding style does not leave a blank line here.

> Source/JavaScriptCore/runtime/GenericArgumentsInlines.h:165
> +    if (!canDeletePropertyById(thisObject, exec, ident))
> +        return false;

This means looking up every property twice when deleting it, once to see if it can be deleted and then a second time to actually delete it. Is there any way to get the correct behavior without adding the double lookup?

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