Make sure to visit function annotations in ElementBuilder.

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 926244b5c090a74cbdfd43448b684d4ccdb25d35..51bd1a3be18becbe100bdcb2921ad99ad90e79ac 100644
--- a/pkg/analyzer/lib/src/generated/resolver.dart
+++ b/pkg/analyzer/lib/src/generated/resolver.dart
@@ -2670,7 +2670,7 @@ class ElementBuilder extends RecursiveAstVisitor<Object> {
       bool wasInFunction = _inFunction;
       _inFunction = true;
       try {
-        _visitChildren(holder, expression);
+        _visitChildren(holder, node);
       } finally {
         _inFunction = wasInFunction;
       }
@@ -2765,6 +2765,11 @@ class ElementBuilder extends RecursiveAstVisitor<Object> {
 
   @override
   Object visitFunctionExpression(FunctionExpression node) {
+    if (node.parent is FunctionDeclaration) {
+      // visitFunctionDeclaration has already created the element for the
+      // declaration.  We just need to visit children.
+      return super.visitFunctionExpression(node);
+    }
     ElementHolder holder = new ElementHolder();
     bool wasInFunction = _inFunction;
     _inFunction = true;