new inference: do not instantiate vars with upper bounds mix when incomplete substitutor is supposed

(cherry picked from commit ff73c519f10ec947b86832a0c4ce5d6ee9b9e4c3)

java/java-tests/testData/codeInsight/daemonCodeAnalyzer/lambda/graphInference/IncompleteSubstitution.java

@@ -0,0 +1,21 @@
+import java.util.*;
+class Test {
+
+    interface I<T> {
+        T foo();
+    }
+    class Inner<T> { }
+
+
+    <M1 extends List<?>> Inner<M1> staticFactory() {
+      return null;
+    }
+
+    <M2 extends List<?>> void foo(I<M2> coll,
+                                  Inner<M2> assertion)  { }
+
+    void test(I<List<List<Integer>>> coll) {
+        foo(coll, staticFactory());
+    }
+}
+