advHighlighting -> light test case

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/advHighlighting7/AmbiguousIDEA57278.java

@@ -0,0 +1,12 @@
+package pck;
+
+interface I{
+    <T extends Iterable<String> & Cloneable> void foo();
+}
+
+abstract class A {
+    abstract <T extends Iterable<String>> void foo();
+    <<error descr="'foo()' in 'pck.I' clashes with 'foo()' in 'pck.A'; both methods have same erasure, yet neither overrides the other"></error>T extends A & I> void bar(T x){
+        x.foo<error descr="Ambiguous method call: both 'A.foo()' and 'I.foo()' match">()</error>;
+    }
+}