Fix new dart2dart backend.

pkg/compiler/lib/src/compile_time_constants.dart

Index: pkg/compiler/lib/src/compile_time_constants.dart
diff --git a/pkg/compiler/lib/src/compile_time_constants.dart b/pkg/compiler/lib/src/compile_time_constants.dart
index 84f412cd1531b45d7f19dd3f0c175d47042e5b1a..5fb178d9b7de98e8a7fc15e865bebedec65e3b59 100644
--- a/pkg/compiler/lib/src/compile_time_constants.dart
+++ b/pkg/compiler/lib/src/compile_time_constants.dart
@@ -1048,8 +1048,7 @@ class ConstructorEvaluator extends CompileTimeConstantEvaluator {
         // If we do not find a default constructor, an error was reported
         // already and compilation will fail anyway. So just ignore that case.
         if (targetConstructor != null) {
-          Selector selector =
-             new Selector.callDefaultConstructor(enclosingClass.library);
+          Selector selector = new Selector.callDefaultConstructor();
           List<AstConstant> compiledArguments = evaluateArgumentsToConstructor(
               functionNode, selector, const Link<Node>(), targetConstructor);
           evaluateSuperOrRedirectSend(compiledArguments, targetConstructor);