Improve error message for inaccessible invisible_fake members

#KT-8989 Fixed

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/DefaultErrorMessages.java

@@ -94,8 +94,8 @@ public class DefaultErrorMessages {
     static {
         MAP.put(UNRESOLVED_REFERENCE, "Unresolved reference: {0}", ELEMENT_TEXT);
 
-        MAP.put(INVISIBLE_REFERENCE, "Cannot access ''{0}'': it is ''{1}'' in {2}", NAME, TO_STRING, NAME_OF_PARENT_OR_FILE);
-        MAP.put(INVISIBLE_MEMBER, "Cannot access ''{0}'': it is ''{1}'' in {2}", NAME, TO_STRING, NAME_OF_PARENT_OR_FILE);
+        MAP.put(INVISIBLE_REFERENCE, "Cannot access ''{0}'': it is ''{1}'' in {2}", NAME, VISIBILITY, NAME_OF_PARENT_OR_FILE);
+        MAP.put(INVISIBLE_MEMBER, "Cannot access ''{0}'': it is ''{1}'' in {2}", NAME, VISIBILITY, NAME_OF_PARENT_OR_FILE);
 
         MAP.put(PROTECTED_CONSTRUCTOR_NOT_IN_SUPER_CALL, "Protected constructor ''{0}'' from other classes can only be used in super-call", Renderers.SHORT_NAMES_IN_TYPES);
 
@@ -276,7 +276,7 @@ public class DefaultErrorMessages {
         MAP.put(VAL_REASSIGNMENT, "Val cannot be reassigned", NAME);
         MAP.put(CAPTURED_VAL_INITIALIZATION, "Captured values initialization is forbidden due to possible reassignment", NAME);
         MAP.put(SETTER_PROJECTED_OUT, "Setter for ''{0}'' is removed by type projection", NAME);
-        MAP.put(INVISIBLE_SETTER, "Cannot assign to ''{0}'': the setter is {1} in {2}", NAME, TO_STRING, NAME_OF_PARENT_OR_FILE);
+        MAP.put(INVISIBLE_SETTER, "Cannot assign to ''{0}'': the setter is {1} in {2}", NAME, VISIBILITY, NAME_OF_PARENT_OR_FILE);
         MAP.put(INITIALIZATION_BEFORE_DECLARATION, "Variable cannot be initialized before declaration", NAME);
         MAP.put(VARIABLE_EXPECTED, "Variable expected");
 
@@ -587,8 +587,8 @@ public class DefaultErrorMessages {
         MAP.put(INVALID_IF_AS_EXPRESSION, "'if' must have both main and 'else' branches if used as an expression");
 
         MAP.put(OVERRIDING_FINAL_MEMBER, "''{0}'' in ''{1}'' is final and cannot be overridden", NAME, NAME);
-        MAP.put(CANNOT_WEAKEN_ACCESS_PRIVILEGE, "Cannot weaken access privilege ''{0}'' for ''{1}'' in ''{2}''", TO_STRING, NAME, NAME);
-        MAP.put(CANNOT_CHANGE_ACCESS_PRIVILEGE, "Cannot change access privilege ''{0}'' for ''{1}'' in ''{2}''", TO_STRING, NAME, NAME);
+        MAP.put(CANNOT_WEAKEN_ACCESS_PRIVILEGE, "Cannot weaken access privilege ''{0}'' for ''{1}'' in ''{2}''", VISIBILITY, NAME, NAME);
+        MAP.put(CANNOT_CHANGE_ACCESS_PRIVILEGE, "Cannot change access privilege ''{0}'' for ''{1}'' in ''{2}''", VISIBILITY, NAME, NAME);
 
         MAP.put(RETURN_TYPE_MISMATCH_ON_OVERRIDE, "Return type of ''{0}'' is not a subtype of the return type of the overridden member ''{1}''",
                 NAME, FQ_NAMES_IN_TYPES);

compiler/frontend/src/org/jetbrains/kotlin/diagnostics/rendering/Renderers.kt

@@ -75,6 +75,12 @@ object Renderers {
 
     @JvmField val NAME = Renderer<Named> { it.name.asString() }
 
+    @JvmField val VISIBILITY = Renderer<Visibility> {
+        if (it == Visibilities.INVISIBLE_FAKE)
+            "invisible (private in a supertype)"
+        else it.displayName
+    }
+
     @JvmField val DECLARATION_NAME_WITH_KIND = Renderer<DeclarationDescriptor> {
         val declarationKindWithSpace = when (it) {
             is PackageFragmentDescriptor -> "package "