[es8] Report proper syntax error for tail call expressions in for-in and for-of bodies.

test/message/syntactic-tail-call-in-for-of.js

Index: test/message/syntactic-tail-call-in-for-of.js
diff --git a/test/message/syntactic-tail-call-in-try.js b/test/message/syntactic-tail-call-in-for-of.js
similarity index 90%
copy from test/message/syntactic-tail-call-in-try.js
copy to test/message/syntactic-tail-call-in-for-of.js
index 97eb4f757ab27e898e888078a46b80a8df61097a..a2daf029b7065207a373f8c1824b0ba32b393aea 100644
--- a/test/message/syntactic-tail-call-in-try.js
+++ b/test/message/syntactic-tail-call-in-for-of.js
@@ -9,8 +9,7 @@ function f() {
 }
 
 function g() {
-  try {
+  for (var v of [1, 2, 3]) {
     return continue f();
-  } catch(e) {
   }
 }