frontend diagnostics for kotlin.jvm.overloads

#KT-7203 Fixed

compiler/testData/diagnostics/testsWithStdLib/annotations/jvmOverloads/jvmOverloadsOnPrivate.kt

@@ -0,0 +1,20 @@
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+class C {
+    <!OVERLOADS_PRIVATE!>[kotlin.jvm.overloads] private fun foo(s: String = "OK")<!> {
+    }
+
+    [kotlin.jvm.overloads] fun bar(s: String = "OK") {
+    }
+}
+
+fun foo() {
+    class D {
+        <!OVERLOADS_PRIVATE!>[kotlin.jvm.overloads] fun foo(s: String = "OK")<!> {
+        }
+    }
+
+    val <!UNUSED_VARIABLE!>x<!> = object {
+        <!OVERLOADS_PRIVATE!>[kotlin.jvm.overloads] fun foo(s: String = "OK")<!> {
+    }
+    }
+}