Normative: Fix extending null

tc39 · Oct 31, 2018 · 6fc9a49 · 6fc9a49
1 parent ff45fd8
commit 6fc9a49
Showing 1 changed file with 4 additions and 2 deletions.
diff --git a/spec.html b/spec.html
@@ -12540,13 +12540,15 @@ <h1>Runtime Semantics: Evaluation</h1>
           1. Let _newTarget_ be GetNewTarget().
           1. Assert: Type(_newTarget_) is Object.
           1. Let _func_ be ? GetSuperConstructor().
-          1. Let _thisER_ be GetThisEnvironment().
-          1. If _func_ is *null*, Return ? thisER.GetThisBinding().
           1. Let _argList_ be ArgumentListEvaluation of |Arguments|.
           1. ReturnIfAbrupt(_argList_).
+          1. Let _thisER_ be GetThisEnvironment().
+          1. If _func_ is *null*, Return ? thisER.GetThisBinding().
           1. Let _result_ be ? Construct(_func_, _argList_, _newTarget_).
           1. Return ? _thisER_.BindThisValue(_result_).
         </emu-alg>
+
+        <emu-note>Even if _func_ is *null*, |Arguments| will be evaluated.</emu-note>
       </emu-clause>
 
       <emu-clause id="sec-getsuperconstructor" aoid="GetSuperConstructor">