dart2js cps: Fix for tear-off of noSuchMethod or toString on null.

pkg/compiler/lib/src/common/names.dart

Index: pkg/compiler/lib/src/common/names.dart
diff --git a/pkg/compiler/lib/src/common/names.dart b/pkg/compiler/lib/src/common/names.dart
index f777c0a9f6a0496d00a03c5a2ea625a61fdbd1f7..70ebabe33ffec12aa358701972e92acbdffbb71a 100644
--- a/pkg/compiler/lib/src/common/names.dart
+++ b/pkg/compiler/lib/src/common/names.dart
@@ -97,10 +97,18 @@ class Selectors {
   static final Selector noSuchMethod_ =
       new Selector.call(Names.noSuchMethod_, CallStructure.ONE_ARG);
 
+  /// The selector for tearing off noSuchMethod.
+  static final Selector noSuchMethodGetter =
+      new Selector.getter(Names.noSuchMethod_);
+
   /// The selector for calling the to-string method on 'Object'.
   static final Selector toString_ =
       new Selector.call(Names.toString_, CallStructure.NO_ARGS);
 
+  /// The selector for tearing off toString.
+  static final Selector toStringGetter =
+      new Selector.getter(Names.toString_);
+
   static final Selector hashCode_ =
       new Selector.getter(const PublicName('hashCode'));
 
@@ -123,8 +131,9 @@ class Selectors {
   /// These objects are shared between different runs in batch-mode and must
   /// thus remain in the [Selector.canonicalizedValues] map.
   static final List<Selector> ALL = <Selector>[
-      cancel, current, iterator, moveNext, noSuchMethod_, toString_,
-      hashCode_, compareTo, equals, length, codeUnitAt, index, runtimeType_];
+      cancel, current, iterator, moveNext, noSuchMethod_, noSuchMethodGetter,
+      toString_, toStringGetter, hashCode_, compareTo, equals, length,
+      codeUnitAt, index, runtimeType_];
 }
 
 /// [Uri]s commonly used.