.resolveTypeAnnotation now returns TypedefType, not FunctionType.

lib/compiler/implementation/dart_backend/placeholder_collector.dart

Index: lib/compiler/implementation/dart_backend/placeholder_collector.dart
diff --git a/lib/compiler/implementation/dart_backend/placeholder_collector.dart b/lib/compiler/implementation/dart_backend/placeholder_collector.dart
index f7f071abdfc720d0c08f3069a5a9b61203bbbc12..dd2ae79cde0d6451c296142635d866ed7e3f9442 100644
--- a/lib/compiler/implementation/dart_backend/placeholder_collector.dart
+++ b/lib/compiler/implementation/dart_backend/placeholder_collector.dart
@@ -348,7 +348,7 @@ class PlaceholderCollector extends AbstractVisitor {
       }
     }
     final type = compiler.resolveTypeAnnotation(currentElement, node);
-    if (type is InterfaceType || type is FunctionType) {
+    if (type is InterfaceType || type is TypedefType) {
       var target = node.typeName;
       if (node.typeName is Send) {
         final element = treeElements[node];