Java 8 rules for method overrides:

- report errors on implementing methods of Any in interfaces
- update testData

~~~

Java 8 override restrictions: interface can't implement a method of 'Any'
- update compiler sources

compiler/testData/diagnostics/tests/java8Overrides/implementingMethodOfAny.kt

@@ -0,0 +1,9 @@
+interface IA {
+    <!METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE!>override fun toString(): String = "IA"<!>
+
+    <!METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE!>override fun equals(other: Any?): Boolean = <!SUPERCLASS_NOT_ACCESSIBLE_FROM_TRAIT!>super<!>.equals(other)<!>
+
+    <!METHOD_OF_ANY_IMPLEMENTED_IN_INTERFACE!>override fun hashCode(): Int {
+        return 42;
+    }<!>
+}