advHighlighting -> light test case

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/AmbiguousIDEA57317.java

@@ -0,0 +1,11 @@
+package pck;
+
+class B<K> {}
+class A<K> extends B<K> {
+    void foo(A<A<String>> b){
+        bar<error descr="Ambiguous method call: both 'A.bar(B<? extends A<String>>)' and 'A.bar(A<? extends B<String>>)' match">(b)</error>;
+    }
+
+    <T> void bar(B<? extends A<T>> a){}
+    <T> void bar(A<? extends B<T>> a){}
+}