Inaccessible classes from the current package to not conflict with visible classes from somewhere else

compiler/testData/diagnostics/tests/imports/InaccessiblePrivateClass.kt

@@ -0,0 +1,18 @@
+// FILE: a.kt
+package p1
+
+private class X
+private class Y
+
+// FILE: b.kt
+package p2
+
+class X
+
+// FILE: c.kt
+package p1
+
+import p2.*
+
+val x: X = X()
+<!EXPOSED_PROPERTY_TYPE!>val y: <!INVISIBLE_REFERENCE!>Y<!> = <!INVISIBLE_MEMBER!>Y<!>()<!>

compiler/testData/diagnostics/tests/imports/InaccessiblePrivateClass.txt

@@ -0,0 +1,30 @@
+package
+
+package p1 {
+    public val x: p2.X
+    public val y: p1.Y
+
+    private final class X {
+        public constructor X()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+
+    private final class Y {
+        public constructor Y()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}
+
+package p2 {
+
+    public final class X {
+        public constructor X()
+        public open override /*1*/ /*fake_override*/ fun equals(/*0*/ other: kotlin.Any?): kotlin.Boolean
+        public open override /*1*/ /*fake_override*/ fun hashCode(): kotlin.Int
+        public open override /*1*/ /*fake_override*/ fun toString(): kotlin.String
+    }
+}

compiler/testData/diagnostics/testsWithStdLib/InaccessibleInternalClass.kt

@@ -0,0 +1,15 @@
+// FILE: a.kt
+package p
+
+class FilteringSequence
+
+// FILE: b.kt
+// SKIP_TXT
+package kotlin.sequences
+
+import p.*
+
+interface I {
+    val v1: FilteringSequence
+    <!EXPOSED_PROPERTY_TYPE!>val v2: <!INVISIBLE_REFERENCE!>IndexingSequence<!><String><!>
+}