Render the descriptor in "cannot infer visibility" message

Otherwise it's unclear what member is problematic if it's a fake override
(because the diagnostic in that case is reported on the whole class)

idea/testData/diagnosticMessage/cannotInferVisibility.kt

@@ -0,0 +1,12 @@
+// !DIAGNOSTICS_NUMBER: 1
+// !DIAGNOSTICS: CANNOT_INFER_VISIBILITY
+
+trait T {
+    internal val foo: String
+}
+
+trait U {
+    protected val foo: String
+}
+
+trait V : T, U

idea/testData/diagnosticMessage/cannotInferVisibility1.txt

@@ -0,0 +1,2 @@
+<!-- cannotInferVisibility1 -->
+Cannot infer visibility for 'val foo: kotlin.String'. Please specify it explicitly

idea/tests/org/jetbrains/jet/plugin/highlighter/DiagnosticMessageTestGenerated.java

@@ -41,6 +41,11 @@ public class DiagnosticMessageTestGenerated extends AbstractDiagnosticMessageTes
         doTest("idea/testData/diagnosticMessage/assignedButNeverAccessedVariable.kt");
     }
     
+    @TestMetadata("cannotInferVisibility.kt")
+    public void testCannotInferVisibility() throws Exception {
+        doTest("idea/testData/diagnosticMessage/cannotInferVisibility.kt");
+    }
+    
     @TestMetadata("cannotOverrideInvisibleMember.kt")
     public void testCannotOverrideInvisibleMember() throws Exception {
         doTest("idea/testData/diagnosticMessage/cannotOverrideInvisibleMember.kt");