Test for obsolete KT-9560

#KT-9560 Obsolete

compiler/testData/codegen/box/constants/privateConst.kt

@@ -0,0 +1,7 @@
+private const val z = "OK";
+
+fun box(): String {
+    return {
+        z
+    }()
+}

compiler/tests/org/jetbrains/kotlin/codegen/generated/BlackBoxCodegenTestGenerated.java

@@ -1977,6 +1977,12 @@ public class BlackBoxCodegenTestGenerated extends AbstractBlackBoxCodegenTest {
             String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/constants/long.kt");
             doTest(fileName);
         }
+
+        @TestMetadata("privateConst.kt")
+        public void testPrivateConst() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("compiler/testData/codegen/box/constants/privateConst.kt");
+            doTest(fileName);
+        }
     }
 
     @TestMetadata("compiler/testData/codegen/box/controlStructures")