Normative: new Annex B.3 clause to specify "AssignmentTargetType of LeftHandSideExpression : CallExpression" web reality.

Author: rwaldron

spec.html

@@ -43166,6 +43166,22 @@ <h1>Changes to the `typeof` Operator</h1>
         </emu-table>
       </emu-annex>
     </emu-annex>
+    <emu-annex id="sec-assignmenttargettype-lefthandsideexpression-callexpression-arguments-invalid">
+      <h1>AssignmentTargetType of LeftHandSideExpression : CallExpression</h1>
+      <p>The following Runtime Semantics rules are appended to the content of subclause <emu-xref href="#sec-assignment-operators-runtime-semantics-evaluation"></emu-xref>:</p>
+      <emu-grammar>AssignmentExpression : LeftHandSideExpression = AssignmentExpression</emu-grammar>
+      <ol>
+        <li>
+          If AssignmentTargetType of |LeftHandSideExpression| is not ~simple~, throw a *ReferenceError* exception.
+        </li>
+      </ol>
+      <emu-grammar>AssignmentExpression : LeftHandSideExpression AssignmentOperator AssignmentExpression</emu-grammar>
+      <ol>
+        <li>
+          If AssignmentTargetType of |LeftHandSideExpression| is not ~simple~, throw a *ReferenceError* exception.
+        </li>
+      </ol>
+    </emu-annex>
   </emu-annex>
 </emu-annex>