Provide value for values field in enums (issue 22722)

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

Index: pkg/analyzer/lib/src/generated/resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/resolver.dart b/pkg/analyzer/lib/src/generated/resolver.dart
index d204a71ec39d589fefd505939dfa191e16935624..eaa80a47742dac6bf2329a9f04b943d941abd7d3 100644
--- a/pkg/analyzer/lib/src/generated/resolver.dart
+++ b/pkg/analyzer/lib/src/generated/resolver.dart
@@ -3731,7 +3731,7 @@ class EnumMemberBuilder extends RecursiveAstVisitor<Object> {
     indexField.type = intType;
     fields.add(indexField);
     getters.add(_createGetter(indexField));
-    FieldElementImpl valuesField = new FieldElementImpl("values", -1);
+    ConstFieldElementImpl valuesField = new ConstFieldElementImpl.con2("values", -1);
     valuesField.static = true;
     valuesField.const3 = true;
     valuesField.synthetic = true;
@@ -3742,6 +3742,7 @@ class EnumMemberBuilder extends RecursiveAstVisitor<Object> {
     // Build the enum constants.
     //
     NodeList<EnumConstantDeclaration> constants = node.constants;
+    List<DartObjectImpl> constantValues = new List<DartObjectImpl>();
     int constantCount = constants.length;
     for (int i = 0; i < constantCount; i++) {
       SimpleIdentifier constantName = constants[i].name;
@@ -3758,12 +3759,17 @@ class EnumMemberBuilder extends RecursiveAstVisitor<Object> {
       fieldMap[indexFieldName] = new DartObjectImpl(intType, new IntState(i));
       DartObjectImpl value =
           new DartObjectImpl(enumType, new GenericState(fieldMap));
+      constantValues.add(value);
       constantField.evaluationResult = new EvaluationResultImpl.con1(value);
       fields.add(constantField);
       getters.add(_createGetter(constantField));
       constantName.staticElement = constantField;
     }
     //
+    // Build the value of the 'values' field.
+    //
+    valuesField.evaluationResult = new EvaluationResultImpl.con1(new DartObjectImpl(valuesField.type, new ListState(constantValues)));
+    //
     // Finish building the enum.
     //
     enumElement.fields = fields;