KT-3302 Method that implements two differing interfaces are reported as "Incompatible types in superclasses"

#KT-3302 fixed

compiler/testData/loadJava/kotlinSignature/propagation/parameter/SubstitutedClassParameter.java

@@ -0,0 +1,16 @@
+package test;
+
+import org.jetbrains.annotations.NotNull;
+import jet.runtime.typeinfo.KotlinSignature;
+
+public interface SubstitutedClassParameter {
+
+    public interface Super<T> {
+        @KotlinSignature("fun foo(t: T)")
+        void foo(T p);
+    }
+
+    public interface Sub extends Super<String> {
+        void foo(String p);
+    }
+}