dart2js-kernel: Recognize some List constructors.

pkg/compiler/lib/src/ssa/graph_builder.dart

Index: pkg/compiler/lib/src/ssa/graph_builder.dart
diff --git a/pkg/compiler/lib/src/ssa/graph_builder.dart b/pkg/compiler/lib/src/ssa/graph_builder.dart
index 3872abfc102faa4d00780dd2e44b3cb4dcd970eb..f8770bcbdc7b8cbf5d19d8180deeec5c6f1f0608 100644
--- a/pkg/compiler/lib/src/ssa/graph_builder.dart
+++ b/pkg/compiler/lib/src/ssa/graph_builder.dart
@@ -252,6 +252,10 @@ abstract class GraphBuilder {
         localsHandler.directLocals[local] != null;
   }
 
+  HLiteralList buildLiteralList(List<HInstruction> inputs) {
+    return new HLiteralList(inputs, commonMasks.extendableArrayType);
+  }
+
   HInstruction callSetRuntimeTypeInfoWithTypeArguments(InterfaceType type,
       List<HInstruction> rtiInputs, HInstruction newObject) {
     if (!rtiNeed.classNeedsRti(type.element)) {