Don't call dinvoke on Object methods

lib/src/checker/checker.dart

 // Copyright (c) 2015, the Dart project authors.  Please see the AUTHORS file
 // for details. All rights reserved. Use of this source code is governed by a
 // BSD-style license that can be found in the LICENSE file.
 
 library dev_compiler.src.checker.checker;
 
 import 'package:analyzer/analyzer.dart';
 import 'package:analyzer/src/generated/ast.dart';
 import 'package:analyzer/src/generated/element.dart';
 import 'package:analyzer/src/generated/scanner.dart' show Token, TokenType;
@@ skipping 438 matching lines @@
     var entries = node.entries;
     for (int i = 0; i < entries.length; i++) {
       var entry = entries[i];
       entry.key = checkArgument(entry.key, ktype);
       entry.value = checkArgument(entry.value, vtype);
     }
     super.visitMapLiteral(node);
   }
 
   // Check invocations
-  bool checkArgumentList(ArgumentList node, FunctionType type) {
+  bool checkArgumentList(ArgumentList node, DartType type) {
     NodeList<Expression> list = node.arguments;
     int len = list.length;
+    if (len == 0) return true;
+    FunctionType ft = type;
     for (int i = 0; i < len; ++i) {
       Expression arg = list[i];
       ParameterElement element = node.getStaticParameterElementFor(arg);
       if (element == null) {
-        if (type.parameters.length < len) {
+        if (ft.parameters.length < len) {
           // We found an argument mismatch, the analyzer will report this too,
           // so no need to insert an error for this here.
           continue;
         }
-        element = type.parameters[i];
+        element = ft.parameters[i];
         // TODO(vsm): When can this happen?
         assert(element != null);
       }
       DartType expectedType = _rules.elementType(element);
       if (expectedType == null) expectedType = _rules.provider.dynamicType;
       list[i] = checkArgument(arg, expectedType);
     }
     return true;
   }
 
@@ skipping 77 matching lines @@
     node.expression = _checkReturn(node.expression, node);
     node.visitChildren(this);
   }
 
   visitReturnStatement(ReturnStatement node) {
     node.expression = _checkReturn(node.expression, node);
     node.visitChildren(this);
   }
 
   visitPropertyAccess(PropertyAccess node) {
-    if (_rules.isDynamicGet(node.realTarget)) {
+    if (_rules.isDynamicGet(node.realTarget, node.propertyName.name)) {
       _recordDynamicInvoke(node);
     }
     node.visitChildren(this);
   }
 
   visitPrefixedIdentifier(PrefixedIdentifier node) {
     final target = node.prefix;
     // Check if the prefix is a library - PrefixElement denotes a library
     // access.
-    if (target.staticElement is! PrefixElement && _rules.isDynamicGet(target)) {
+    if (target.staticElement is! PrefixElement &&
+        _rules.isDynamicGet(target, node.identifier.name)) {
       _recordDynamicInvoke(node);
     }
     node.visitChildren(this);
   }
 
   @override visitDefaultFormalParameter(DefaultFormalParameter node) {
     _visitMaybeConst(node, (node) {
       // Check that defaults have the proper subtype.
       var parameter = node.parameter;
       var parameterType = _rules.elementType(parameter.element);
@@ skipping 202 matching lines @@
   void _recordDynamicInvoke(AstNode node) {
     _reporter.log(new DynamicInvoke(_rules, node));
   }
 
   void _recordMessage(StaticInfo info) {
     if (info == null) return;
     if (info.level >= logger.Level.SEVERE) _failure = true;
     _reporter.log(info);
   }
 }