diff -r 31f541df4187 -r 1129253d3bc7 test/langtools/tools/javac/lambda/MethodReference72.java
--- a/test/langtools/tools/javac/lambda/MethodReference72.java	Thu Oct 05 12:19:23 2017 +0100
+++ b/test/langtools/tools/javac/lambda/MethodReference72.java	Thu Oct 05 18:29:47 2017 +0100
@@ -15,6 +15,6 @@
     <Z> void g(F<Z> f) { }
 
     void test() {
-        g(this::m1); //?
+        g(this::m1); //bad method reference argument type
     }
 }