Create ElementAnnotation objects prior to resolution.

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 612912d70786b0d925aad98baebd7642bb87bd7f..b38144176e94c7a8e9eec8cadc8af7ace27682fd 100644
--- a/pkg/analyzer/lib/src/generated/resolver.dart
+++ b/pkg/analyzer/lib/src/generated/resolver.dart
@@ -7724,7 +7724,7 @@ class ResolverVisitor extends ScopedVisitor {
     //
     if (node.metadata != null) {
       node.metadata.accept(this);
-      ElementResolver.setMetadata(node.element, node);
+      ElementResolver.resolveMetadata(node);
     }
     //
     // Continue the enum resolution.
@@ -10864,8 +10864,8 @@ class TypeResolverVisitor extends ScopedVisitor {
   Object visitAnnotation(Annotation node) {
     //
     // Visit annotations, if the annotation is @proxy, on a class, and "proxy"
-    // resolves to the proxy annotation in dart.core, then create create the
-    // ElementAnnotationImpl and set it as the metadata on the enclosing class.
+    // resolves to the proxy annotation in dart.core, then resolve the
+    // ElementAnnotation.
     //
     // Element resolution is done in the ElementResolver, and this work will be
     // done in the general case for all annotations in the ElementResolver.
@@ -10882,12 +10882,8 @@ class TypeResolverVisitor extends ScopedVisitor {
           element.library.isDartCore &&
           element is PropertyAccessorElement) {
         // This is the @proxy from dart.core
-        ClassDeclaration classDeclaration = node.parent as ClassDeclaration;
-        ElementAnnotationImpl elementAnnotation =
-            new ElementAnnotationImpl(element);
-        node.elementAnnotation = elementAnnotation;
-        (classDeclaration.element as ClassElementImpl).metadata =
-            <ElementAnnotationImpl>[elementAnnotation];
+        ElementAnnotationImpl elementAnnotation = node.elementAnnotation;
+        elementAnnotation.element = element;
       }
     }
     return null;