Take into account ECMAScript 3 and 6 reserved keywords

Author: vouillon

compiler/reserved.ml

@@ -35,7 +35,7 @@ let keyword = List.fold_left (fun acc x -> StringSet.add x acc)
     "this"; "throw"; "try"; "typeof";
     "var"; "void"; "while"; "with";
 
-    (* reserved for future use *)
+    (* reserved in ECMAScript 5 *)
     "class"; "enum"; "export"; "extends"; "import"; "super";
 
     "implements";"interface";
@@ -54,6 +54,13 @@ let keyword = List.fold_left (fun acc x -> StringSet.add x acc)
     "undefined";
     "this";
 
+    (* also reserved in ECMAScript 3 *)
+    "abstract"; "boolean"; "byte"; "char"; "const"; "double";
+    "final"; "float"; "goto"; "int"; "long"; "native"; "short";
+    "synchronized"; "throws"; "transient"; "volatile";
+
+    (* also reserved in ECMAScript 6 *)
+    "await"
 ]