Resynthesize top-level functions from Kernel.

pkg/analyzer/test/src/summary/element_text.dart

Index: pkg/analyzer/test/src/summary/element_text.dart
diff --git a/pkg/analyzer/test/src/summary/element_text.dart b/pkg/analyzer/test/src/summary/element_text.dart
index 7a7dcbe31d311c1b0a242a8770a42d1081394902..b6d8c15a3aa37a3f20e73852f2c03392a2beb085 100644
--- a/pkg/analyzer/test/src/summary/element_text.dart
+++ b/pkg/analyzer/test/src/summary/element_text.dart
@@ -424,6 +424,9 @@ class _ElementWriter {
   }
 
   void writeFunctionElement(FunctionElement e) {
+    writeDocumentation(e);
+    writeMetadata(e, '', '\n');
+
     writeIf(e.isExternal, 'external ');
 
     writeType2(e.returnType);