Change when enum constant elements are created to fix bug in re-creating ASTs from existing element…

pkg/analyzer/test/generated/declaration_resolver_test.dart

Index: pkg/analyzer/test/generated/declaration_resolver_test.dart
diff --git a/pkg/analyzer/test/generated/declaration_resolver_test.dart b/pkg/analyzer/test/generated/declaration_resolver_test.dart
index 79bf1cf4ea24f202441ff9f51d44eac2c6ad350e..35eda1574b2e1e9658aa6e8728ed0b619608d6f7 100644
--- a/pkg/analyzer/test/generated/declaration_resolver_test.dart
+++ b/pkg/analyzer/test/generated/declaration_resolver_test.dart
@@ -258,6 +258,18 @@ class DeclarationResolverTest extends ResolverTestCase {
     super.setUp();
   }
 
+  void test_enumConstant_partiallyResolved() {
+    String code = r'''
+enum Fruit {apple, pear}
+''';
+    Source source = addNamedSource('/test.dart', code);
+    LibrarySpecificUnit target = new LibrarySpecificUnit(source, source);
+    analysisContext.computeResult(source, LIBRARY_ELEMENT1);
+    CompilationUnit unit =
+        analysisContext.computeResult(target, RESOLVED_UNIT1);
+    CompilationUnit unit2 = _cloneResolveUnit(unit);
+  }
+
   void test_functionDeclaration_getter() {
     String code = r'''
 int get zzz => 42;