Compute all default values of parameters.

pkg/analyzer/lib/src/generated/resolver.dart

 // Copyright (c) 2014, 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.
 
 library analyzer.src.generated.resolver;
 
 import 'dart:collection';
 
 import 'package:analyzer/dart/element/element.dart';
 import 'package:analyzer/dart/element/type.dart';
@@ skipping 8660 matching lines @@
 
   @override
   Object visitDefaultFormalParameter(DefaultFormalParameter node) {
     InferenceContext.setType(node.defaultValue, node.parameter.element?.type);
     super.visitDefaultFormalParameter(node);
     ParameterElement element = node.element;
     if (element.initializer != null && node.defaultValue != null) {
       (element.initializer as FunctionElementImpl).returnType =
           node.defaultValue.staticType;
     }
-    FormalParameterList parent = node.parent;
-    AstNode grandparent = parent.parent;
-    if (grandparent is ConstructorDeclaration &&
-        grandparent.constKeyword != null) {
-      // For const constructors, we need to clone the ASTs for default formal
-      // parameters, so that we can use them during constant evaluation.
-      ParameterElement element = node.element;
-      (element as ConstVariableElement).constantInitializer =
-          new ConstantAstCloner().cloneNode(node.defaultValue);
-    }
+    // Clone the ASTs for default formal parameters, so that we can use them
+    // during constant evaluation.
+    (element as ConstVariableElement).constantInitializer =
+        new ConstantAstCloner().cloneNode(node.defaultValue);
     return null;
   }
 
   @override
   Object visitDoStatement(DoStatement node) {
     _overrideManager.enterScope();
     try {
       super.visitDoStatement(node);
     } finally {
       _overrideManager.exitScope();
@@ skipping 4658 matching lines @@
     nonFields.add(node);
     return null;
   }
 
   @override
   Object visitNode(AstNode node) => node.accept(TypeResolverVisitor_this);
 
   @override
   Object visitWithClause(WithClause node) => null;
 }