new inference: initial tests

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/genericsHighlighting8/IDEA67571.java

@@ -0,0 +1,17 @@
+interface A
+{
+    abstract <T> void foo();
+}
+
+interface B
+{
+    abstract <T,S> void foo();
+}
+
+class C<<error descr="'foo()' in 'B' clashes with 'foo()' in 'A'; both methods have same erasure, yet neither overrides the other"></error>T extends A & B>
+{
+    void bar(T x)
+    {
+        x.foo<error descr="Ambiguous method call: both 'A.foo()' and 'B.foo()' match">()</error>;
+    }
+}