Issue 29288. Resynthesize Import/Export/PartElement for every directive.

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

Index: pkg/analyzer/lib/src/generated/declaration_resolver.dart
diff --git a/pkg/analyzer/lib/src/generated/declaration_resolver.dart b/pkg/analyzer/lib/src/generated/declaration_resolver.dart
index e240504436e2fd52b19de6186c9e712f313a115c..815b7ea15372a41d38cb74cb8158a5db62fd4a95 100644
--- a/pkg/analyzer/lib/src/generated/declaration_resolver.dart
+++ b/pkg/analyzer/lib/src/generated/declaration_resolver.dart
@@ -160,6 +160,8 @@ class DeclarationResolver extends RecursiveAstVisitor<Object> {
   @override
   Object visitExportDirective(ExportDirective node) {
     super.visitExportDirective(node);
+//    var element = node.element as ExportElement;
+//    List<ElementAnnotation> annotations = element.metadata;

[Brian Wilkerson, 2017/04/09 16:01:24]

Should we remove these line? (in all three places)

     List<ElementAnnotation> annotations =
         _enclosingUnit.getAnnotations(node.offset);
     if (annotations.isEmpty && node.metadata.isNotEmpty) {
@@ -300,6 +302,8 @@ class DeclarationResolver extends RecursiveAstVisitor<Object> {
   @override
   Object visitImportDirective(ImportDirective node) {
     super.visitImportDirective(node);
+//    var element = node.element as ImportElement;
+//    List<ElementAnnotation> annotations = element.metadata;
     List<ElementAnnotation> annotations =
         _enclosingUnit.getAnnotations(node.offset);
     if (annotations.isEmpty && node.metadata.isNotEmpty) {
@@ -367,6 +371,8 @@ class DeclarationResolver extends RecursiveAstVisitor<Object> {
   @override
   Object visitPartDirective(PartDirective node) {
     super.visitPartDirective(node);
+//    var element = node.element as CompilationUnitElement;
+//    List<ElementAnnotation> annotations = element.metadata;
     List<ElementAnnotation> annotations =
         _enclosingUnit.getAnnotations(node.offset);
     if (annotations.isEmpty && node.metadata.isNotEmpty) {