Move visibility check for toplevel private declarations to Visibilities.PRIVATE and fix it.

jps-plugin/test/org/jetbrains/kotlin/jps/build/IncrementalJpsTestGenerated.java

@@ -599,6 +599,12 @@ public class IncrementalJpsTestGenerated extends AbstractIncrementalJpsTest {
             doTest(fileName);
         }
 
+        @TestMetadata("topLevelPrivateValUsageAdded")
+        public void testTopLevelPrivateValUsageAdded() throws Exception {
+            String fileName = JetTestUtils.navigationMetadata("jps-plugin/testData/incremental/pureKotlin/topLevelPrivateValUsageAdded/");
+            doTest(fileName);
+        }
+
         @TestMetadata("traitClassObjectConstantChanged")
         public void testTraitClassObjectConstantChanged() throws Exception {
             String fileName = JetTestUtils.navigationMetadata("jps-plugin/testData/incremental/pureKotlin/traitClassObjectConstantChanged/");

jps-plugin/testData/incremental/pureKotlin/topLevelPrivateValUsageAdded/build.log

@@ -0,0 +1,19 @@
+Cleaning output files:
+out/production/module/META-INF/module.kotlin_module
+out/production/module/test/TestPackage.class
+out/production/module/test/UsageKt.class
+End of files
+Compiling files:
+src/usage.kt
+End of files
+COMPILATION FAILED
+Cannot access 'foo': it is 'private' in file
+
+
+Cleaning output files:
+out/production/module/test/FooKt.class
+End of files
+Compiling files:
+src/foo.kt
+src/usage.kt
+End of files

jps-plugin/testData/incremental/pureKotlin/topLevelPrivateValUsageAdded/foo.kt

@@ -0,0 +1,3 @@
+package test
+
+private fun foo() = 1

jps-plugin/testData/incremental/pureKotlin/topLevelPrivateValUsageAdded/usage.kt

@@ -0,0 +1,4 @@
+package test
+
+fun usage() {
+}

jps-plugin/testData/incremental/pureKotlin/topLevelPrivateValUsageAdded/usage.kt.new.1

@@ -0,0 +1,5 @@
+package test
+
+fun usage() {
+    println(foo())
+}

jps-plugin/testData/incremental/pureKotlin/topLevelPrivateValUsageAdded/usage.kt.new.2

@@ -0,0 +1,4 @@
+package test
+
+fun usage() {
+}