fix in 'protected' visibility check

compiler/frontend/src/org/jetbrains/jet/lang/descriptors/Visibilities.java

@@ -60,7 +60,7 @@ public class Visibilities {
             ClassDescriptor classDescriptor = DescriptorUtils.getParentOfType(what, ClassDescriptor.class);
             if (classDescriptor == null) return false;
 
-            ClassDescriptor fromClass = DescriptorUtils.getParentOfType(from, ClassDescriptor.class);
+            ClassDescriptor fromClass = DescriptorUtils.getParentOfType(from, ClassDescriptor.class, false);
             if (fromClass == null) return false;
             if (DescriptorUtils.isSubclass(fromClass, classDescriptor)) {
                 return true;

idea/testData/codeInsight/overrideImplement/javaInterfaceMethod/foo/Intf.java

@@ -16,6 +16,6 @@
 
 package foo;
 
-interface Intf {
+public interface Intf {
     String getFooBar();
 }

idea/testData/codeInsight/overrideImplement/javaParameters/foo/Intf.java

@@ -16,6 +16,6 @@
 
 package foo;
 
-interface Intf {
+public interface Intf {
     void fooBar(int i, String[] s, Object foo);
 }