--- old/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java	2019-06-06 14:48:30.685284200 -0700
+++ new/src/jdk.compiler/share/classes/com/sun/tools/javac/code/Symbol.java	2019-06-06 14:48:30.365284200 -0700
@@ -2063,7 +2063,8 @@
 
         @DefinedBy(Api.LANGUAGE_MODEL)
         public Type getReceiverType() {
-            return asType().getReceiverType();
+	    Type result = asType().getReceiverType();
+            return (result == null) ? Type.noType : result;
         }
 
         @DefinedBy(Api.LANGUAGE_MODEL)