java highlight usages in file: highlight usages of a method when its super method is from alternative jdk

java/java-tests/testData/codeInsight/multipleJdks/java7/p/Object7.java

@@ -0,0 +1,8 @@
+package p;
+
+public class Object7 {
+  @Override
+  public int hashCode() {
+    return 78;
+  }
+}