Emit a compile-time error when using default values in a redirecting factory.

sdk/lib/_internal/compiler/implementation/resolution/members.dart

Index: sdk/lib/_internal/compiler/implementation/resolution/members.dart
diff --git a/sdk/lib/_internal/compiler/implementation/resolution/members.dart b/sdk/lib/_internal/compiler/implementation/resolution/members.dart
index cbc31ee2ed7ec69c460043573db688f07e400ac3..dde4159aa2aa4fc05456f1df77fad3525c2f66af 100644
--- a/sdk/lib/_internal/compiler/implementation/resolution/members.dart
+++ b/sdk/lib/_internal/compiler/implementation/resolution/members.dart
@@ -1084,11 +1084,19 @@ class ResolverTask extends CompilerTask {
   }
 
   FunctionSignature resolveSignature(FunctionElement element) {
+    MessageKind defaultValuesError = null;
+    if (element.isFactoryConstructor()) {
+      FunctionExpression body = element.parseNode(compiler);
+      if (body.isRedirectingFactory) {
+        defaultValuesError = MessageKind.REDIRECTING_FACTORY_WITH_DEFAULT;
+      }
+    }
     return compiler.withCurrentElement(element, () {
       FunctionExpression node =
           compiler.parser.measure(() => element.parseNode(compiler));
       return measure(() => SignatureResolver.analyze(
-          compiler, node.parameters, node.returnType, element));
+          compiler, node.parameters, node.returnType, element,
+          defaultValuesError: defaultValuesError));
     });
   }