From b87958d04a59c48daa27d7e9f1ee55ef50977b07 Mon Sep 17 00:00:00 2001
From: Nikita Bobko <nikita.bobko@jetbrains.com>
Date: Thu, 24 Aug 2023 14:09:55 +0200
Subject: [PATCH] Cleanup: drop unused
 ExpectActualCompatibility.Incompatible.Unknown

---
 .../kotlin/diagnostics/ClassicPositioningStrategies.kt          | 2 +-
 .../kotlin/resolve/multiplatform/ExpectActualCompatibility.kt   | 2 --
 .../kotlin/resolve/multiplatform/ExpectActualMemberDiff.kt      | 1 -
 3 files changed, 1 insertion(+), 4 deletions(-)

diff --git a/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/ClassicPositioningStrategies.kt b/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/ClassicPositioningStrategies.kt
index a8ad9872f56..c7645b94212 100644
--- a/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/ClassicPositioningStrategies.kt
+++ b/compiler/frontend/src/org/jetbrains/kotlin/diagnostics/ClassicPositioningStrategies.kt
@@ -49,7 +49,7 @@ object ClassicPositioningStrategies {
                 val callableDeclaration = element as? KtCallableDeclaration
                 val incompatibility = diagnostic.firstIncompatibility
                 return when (incompatibility) {
-                    null, ExpectActualCompatibility.Incompatible.Unknown, is ExpectActualCompatibility.Incompatible.ClassScopes,
+                    null, is ExpectActualCompatibility.Incompatible.ClassScopes,
                     ExpectActualCompatibility.Incompatible.EnumEntries -> null
                     ExpectActualCompatibility.Incompatible.ClassKind -> {
                         val startElement =
diff --git a/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualCompatibility.kt b/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualCompatibility.kt
index 1af72225fb8..0fd28746597 100644
--- a/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualCompatibility.kt
+++ b/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualCompatibility.kt
@@ -94,8 +94,6 @@ sealed class ExpectActualCompatibility<out D> {
         object TypeParameterReified : WeakIncompatible<Nothing>(
             "some type parameter is reified in one declaration and non-reified in the other"
         )
-
-        object Unknown : WeakIncompatible<Nothing>(null)
     }
 
     object Compatible : ExpectActualCompatibility<Nothing>()
diff --git a/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualMemberDiff.kt b/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualMemberDiff.kt
index 3601db23b65..987c779a9b3 100644
--- a/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualMemberDiff.kt
+++ b/core/compiler.common/src/org/jetbrains/kotlin/resolve/multiplatform/ExpectActualMemberDiff.kt
@@ -86,7 +86,6 @@ private fun ExpectActualCompatibility.Incompatible<*>.toDiffKind(): ExpectActual
     ExpectActualCompatibility.Incompatible.TypeParameterNames -> ExpectActualMemberDiff.Kind.TypeParameterNamesChangedInOverride
     ExpectActualCompatibility.Incompatible.TypeParameterReified -> null // inline fun can't be overridden
     ExpectActualCompatibility.Incompatible.TypeParameterVariance -> null // Members are not allowed to have variance
-    ExpectActualCompatibility.Incompatible.Unknown -> null // Unknown incompatibility is never reported
     ExpectActualCompatibility.Incompatible.ValueParameterCrossinline -> null // inline fun can't be overridden
     ExpectActualCompatibility.Incompatible.ValueParameterNoinline -> null // inline fun can't be overridden
     ExpectActualCompatibility.Incompatible.ValueParameterVararg -> ExpectActualMemberDiff.Kind.NonPrivateCallableAdded