Fixed checks to use isReservedNameInStrictMode.

Author: DanielRosenwasser

src/compiler/checker.ts

@@ -12016,7 +12016,7 @@ module ts {
         function isReservedWordInStrictMode(node: Identifier): boolean {
             // Check that originalKeywordKind is less than LastFutureReservedWord to see if an Identifier is a strict-mode reserved word
             return (node.parserContextFlags & ParserContextFlags.StrictMode) &&
-                (node.originalKeywordKind >= SyntaxKind.FirstFutureReservedWord && node.originalKeywordKind <= SyntaxKind.LastFutureReservedWord);
+                (SyntaxKind.FirstFutureReservedWord <= node.originalKeywordKind && node.originalKeywordKind <= SyntaxKind.LastFutureReservedWord);
         }
 
         function reportStrictModeGrammarErrorInClassDeclaration(identifier: Identifier, message: DiagnosticMessage, arg0?: any, arg1?: any, arg2?: any): boolean {
@@ -12036,7 +12036,7 @@ module ts {
                     let nameBindings = impotClause.namedBindings;
                     if (nameBindings.kind === SyntaxKind.NamespaceImport) {
                         let name = <Identifier>(<NamespaceImport>nameBindings).name;
-                        if (name.originalKeywordKind) {
+                        if (isReservedWordInStrictMode(name)) {
                             let nameText = declarationNameToString(name);
                             return grammarErrorOnNode(name, Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode, nameText);
                         }
@@ -12045,7 +12045,7 @@ module ts {
                         let reportError = false;
                         for (let element of (<NamedImports>nameBindings).elements) {
                             let name = element.name;
-                            if (name.originalKeywordKind) {
+                            if (isReservedWordInStrictMode(name)) {
                                 let nameText = declarationNameToString(name);
                                 reportError = reportError || grammarErrorOnNode(name, Diagnostics.Identifier_expected_0_is_a_reserved_word_in_strict_mode, nameText);
                             }