Proper handling of future reserved words in strict and normal mode.

test/mjsunit/strict-mode.js

Index: test/mjsunit/strict-mode.js
diff --git a/test/mjsunit/strict-mode.js b/test/mjsunit/strict-mode.js
index fcfe264e988471becfb6804ff10037d5201ea2ff..e9e1ddd9cf25c6901a63d910dd6c27dbb6329d56 100644
--- a/test/mjsunit/strict-mode.js
+++ b/test/mjsunit/strict-mode.js
@@ -319,14 +319,8 @@ CheckStrictMode("var variable; delete variable;", SyntaxError);
            +arguments, -arguments, ~arguments, !arguments];
 })();
 
-// 7.6.1.2 Future Reserved Words
-var future_reserved_words = [
-  "class",
-  "enum",
-  "export",
-  "extends",
-  "import",
-  "super",
+// 7.6.1.2 Future Reserved Words in strict mode
+var future_strict_reserved_words = [
   "implements",
   "interface",
   "let",
@@ -337,9 +331,10 @@ var future_reserved_words = [
   "static",
   "yield" ];
 
-function testFutureReservedWord(word) {
+function testFutureStrictReservedWord(word) {
   // Simple use of each reserved word
   CheckStrictMode("var " + word + " = 1;", SyntaxError);
+  CheckStrictMode("typeof (" + word + ");", SyntaxError);
 
   // object literal properties
   eval("var x = { " + word + " : 42 };");
@@ -383,8 +378,8 @@ function testFutureReservedWord(word) {
                SyntaxError);
 }
 
-for (var i = 0; i < future_reserved_words.length; i++) {
-  testFutureReservedWord(future_reserved_words[i]);
+for (var i = 0; i < future_strict_reserved_words.length; i++) {
+  testFutureStrictReservedWord(future_strict_reserved_words[i]);
 }
 
 function testAssignToUndefined(test, should_throw) {