Insert default arguments for static calls and constructor calls.

pkg/compiler/lib/src/kernel/kernel_visitor.dart

 // Copyright (c) 2016, 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.md file.
 
 import 'package:kernel/ast.dart' as ir;
 import 'package:kernel/frontend/accessors.dart'
     show
         Accessor,
         IndexAccessor,
         NullAwarePropertyAccessor,
@@ skipping 2001 matching lines @@
           positionalParameters.add(variable);
         }
       });
       signature.forEachParameter((ParameterElement parameter) {
         if (!parameter.isOptional) return;
         ir.Expression initializer = visitForValue(parameter.initializer);
         ir.VariableDeclaration variable = getLocal(parameter);
         if (initializer != null) {
           variable.initializer = initializer;
           initializer.parent = variable;
+          kernel.parameterInitializerNodeToConstant[initializer] =
+              parameter.constant;
         }
       });
       if (function.isGenerativeConstructor) {
         returnType = const ir.VoidType();
       } else {
         returnType = typeToIrHack(signature.type.returnType);
       }
       if (function.isFactoryConstructor) {
         InterfaceType type = function.enclosingClass.thisType;
         if (type.isGeneric) {
@@ skipping 783 matching lines @@
       : this(null, true, node, initializers);
 
   accept(ir.Visitor v) => throw "unsupported";
 
   visitChildren(ir.Visitor v) => throw "unsupported";
 
   String toString() {
     return "IrFunction($kind, $isConstructor, $node, $initializers)";
   }
 }