Fix for Import/ExportDirective annotations while applying resynthesized element model.

pkg/analyzer/lib/src/generated/declaration_resolver.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 file.
 
 library analyzer.src.generated.declaration_resolver;
 
 import 'package:analyzer/dart/ast/ast.dart';
 import 'package:analyzer/dart/ast/token.dart';
 import 'package:analyzer/dart/ast/visitor.dart';
 import 'package:analyzer/dart/element/element.dart';
@@ skipping 136 matching lines @@
       }
       super.visitEnumDeclaration(node);
     });
     _resolveMetadata(node, node.metadata, element);
     return null;
   }
 
   @override
   Object visitExportDirective(ExportDirective node) {
     super.visitExportDirective(node);
-    _resolveAnnotations(
-        node, node.metadata, _enclosingUnit.getAnnotations(node.offset));
+    List<ElementAnnotation> annotations =
+        _enclosingUnit.getAnnotations(node.offset);
+    if (annotations.isEmpty && node.metadata.isNotEmpty) {
+      int index = (node.parent as CompilationUnit)
+          .directives
+          .where((directive) => directive is ExportDirective)
+          .toList()
+          .indexOf(node);
+      annotations = _walker.element.library.exports[index].metadata;
+    }
+    _resolveAnnotations(node, node.metadata, annotations);
     return null;
   }
 
   @override
   Object visitExpressionFunctionBody(ExpressionFunctionBody node) {
     if (_isBodyToCreateElementsFor(node)) {
       _walker.consumeLocalElements();
       node.accept(_walker.elementBuilder);
       return null;
     } else {
@@ skipping 87 matching lines @@
       _resolveMetadata(node, node.metadata, element);
       return null;
     } else {
       return super.visitFunctionTypedFormalParameter(node);
     }
   }
 
   @override
   Object visitImportDirective(ImportDirective node) {
     super.visitImportDirective(node);
-    _resolveAnnotations(
-        node, node.metadata, _enclosingUnit.getAnnotations(node.offset));
+    List<ElementAnnotation> annotations =
+        _enclosingUnit.getAnnotations(node.offset);
+    if (annotations.isEmpty && node.metadata.isNotEmpty) {
+      int index = (node.parent as CompilationUnit)
+          .directives
+          .where((directive) => directive is ImportDirective)
+          .toList()
+          .indexOf(node);
+      annotations = _walker.element.library.imports[index].metadata;
+    }
+    _resolveAnnotations(node, node.metadata, annotations);
     return null;
   }
 
   @override
   Object visitLabeledStatement(LabeledStatement node) {
     bool onSwitchStatement = node.statement is SwitchStatement;
     _walker.elementBuilder
         .buildLabelElements(node.labels, onSwitchStatement, false);
     return super.visitLabeledStatement(node);
   }
@@ skipping 419 matching lines @@
 class _ElementMismatchException extends AnalysisException {
   /**
    * Creates an exception to refer to the given [compilationUnit], [element],
    * and [cause].
    */
   _ElementMismatchException(
       CompilationUnitElement compilationUnit, Element element,
       [CaughtException cause = null])
       : super('Element mismatch in $compilationUnit at $element', cause);
 }