Address long-standing review comments.

tests/compiler/dart2js/resolver_test.dart

 // Copyright (c) 2012, 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.
 
 import "package:expect/expect.dart";
 import 'dart:collection';
 
 import "../../../sdk/lib/_internal/compiler/implementation/resolution/resolution.dart";
 import "compiler_helper.dart";
 import "parser_helper.dart";
@@ skipping 58 matching lines @@
   testClassHierarchy();
   testInitializers();
   testThis();
   testSuperCalls();
   testTypeVariables();
   testToString();
   testIndexedOperator();
   testIncrementsAndDecrements();
   testOverrideHashCodeCheck();
   testSupertypeOrder();
+  testConstructorArgumentMismatch();
 }
 
 testSupertypeOrder() {
   MockCompiler compiler = new MockCompiler();
   compiler.parseScript("""
 class I1 {}
 class I2 {}
 class J1 extends K1 {}
 class J2 implements K2 {}
 class K1 {}
@@ skipping 479 matching lines @@
   compiler.resolver.resolve(fooElement);
 
   TreeElements elements = compiler.resolveStatement("new A();");
   NewExpression expression =
       compiler.parsedTree.asExpressionStatement().expression;
   Element element = elements[expression.send];
   Expect.equals(ElementKind.GENERATIVE_CONSTRUCTOR, element.kind);
   Expect.isTrue(element.isSynthesized);
 }
 
+testConstructorArgumentMismatch() {
+  String script = "class A {} foo() { print(new A(42)); }";
+  MockCompiler compiler = new MockCompiler();
+  compiler.parseScript(script);
+  FunctionElement fooElement = compiler.mainApp.find(buildSourceString('foo'));
+  Expect.isNotNull(fooElement);
+  fooElement.parseNode(compiler);
+  compiler.resolver.resolve(fooElement);
+
+  compareWarningKinds(
+      script, [MessageKind.INVALID_ARGUMENTS.warning], compiler.warnings);
+  compareWarningKinds(script, [], compiler.errors);
+}
+
 testTopLevelFields() {
   MockCompiler compiler = new MockCompiler();
   compiler.parseScript("int a;");
   VariableElement element = compiler.mainApp.find(buildSourceString("a"));
   Expect.equals(ElementKind.FIELD, element.kind);
   VariableDefinitions node = element.variables.parseNode(compiler);
   Identifier typeName = node.type.typeName;
   Expect.equals(typeName.source.slowToString(), 'int');
 
   compiler.parseScript("var b, c;");
@@ skipping 312 matching lines @@
       }
       main() {
         new A() == new B();
       }""";
   final compiler = compileScript(script);
   Expect.equals(1, compiler.warnings.length);
   Expect.equals(MessageKind.OVERRIDE_EQUALS_NOT_HASH_CODE,
                 compiler.warnings[0].message.kind);
   Expect.equals(0, compiler.errors.length);
 }