generics: choose least bound symmetric (IDEA-57500)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/ambiguousIDEA57500/pck/AmbiguousMethodCall.java

@@ -0,0 +1,14 @@
+package pck;
+
+interface I<T> {}
+interface A extends I<I<? extends String>>{}
+interface B extends I<I<?>>{}
+
+abstract class X {
+    abstract <T> T foo(T x, T y);
+
+    void bar(A x, B y){
+        foo(x, y);
+        foo(y, y);
+    }
+}