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

#KT-3302 fixed

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

@@ -0,0 +1,22 @@
+package test;
+
+import org.jetbrains.annotations.NotNull;
+import jet.runtime.typeinfo.KotlinSignature;
+
+// Extracted from KT-3302, see Kt3302 test, as well
+public interface SubclassFromGenericAndNot {
+
+    public interface NonGeneric {
+        void foo(@NotNull String s);
+    }
+
+    public interface Generic<T> {
+        @KotlinSignature("fun foo(key : T)")
+        public void foo(T key);
+    }
+
+    public interface Sub extends NonGeneric, Generic<String> {
+        @Override
+        public void foo(String key);
+    }
+}