Correct emit never-type (microsoft#8903)

yuit · yuit · commit f3dd0b0e4f6b · 2016-05-31T15:11:00.000-07:00
diff --git a/src/compiler/binder.ts b/src/compiler/binder.ts
@@ -2206,6 +2206,7 @@ namespace ts {
 
             case SyntaxKind.AnyKeyword:
             case SyntaxKind.NumberKeyword:
+            case SyntaxKind.NeverKeyword:
             case SyntaxKind.StringKeyword:
             case SyntaxKind.BooleanKeyword:
             case SyntaxKind.SymbolKeyword:
diff --git a/src/compiler/transformers/ts.ts b/src/compiler/transformers/ts.ts
@@ -256,6 +256,7 @@ namespace ts {
                 case SyntaxKind.BooleanKeyword:
                 case SyntaxKind.StringKeyword:
                 case SyntaxKind.NumberKeyword:
+                case SyntaxKind.NeverKeyword:
                 case SyntaxKind.VoidKeyword:
                 case SyntaxKind.SymbolKeyword:
                 case SyntaxKind.ConstructorType:
