Support new malformed types semantics.

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 134 matching lines @@
   compiler.parseScript('class Foo<T, U> {}');
   compiler.resolveStatement('Foo<notype, int> x;');
   Expect.equals(1, compiler.warnings.length);
   Expect.equals(MessageKind.CANNOT_RESOLVE_TYPE.warning,
                 compiler.warnings[0].message.kind);
   Expect.equals(0, compiler.errors.length);
 
   compiler = new MockCompiler();
   compiler.parseScript('class Foo<T, U> {}');
   compiler.resolveStatement('var x = new Foo<notype, int>();');
-  Expect.equals(0, compiler.warnings.length);
-  Expect.equals(1, compiler.errors.length);
-  Expect.equals(MessageKind.CANNOT_RESOLVE_TYPE.error,
-                compiler.errors[0].message.kind);
+  Expect.equals(1, compiler.warnings.length);
+  Expect.equals(0, compiler.errors.length);
+  Expect.equals(MessageKind.CANNOT_RESOLVE_TYPE.warning,
+                compiler.warnings[0].message.kind);
 
   compiler = new MockCompiler();
   compiler.parseScript('class Foo<T> {'
                        '  Foo<T> t;'
                        '  foo(Foo<T> f) {}'
                        '  bar() { g(Foo<T> f) {}; g(); }'
                        '}');
   foo = compiler.mainApp.find(buildSourceString('Foo'));
   foo.ensureResolved(compiler);
   foo.lookupLocalMember(buildSourceString('t')).computeType(compiler);;
@@ skipping 729 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);
 }