[Tests] Mute KLIB compat tests that aren't supposed to run with < 2.0
diff --git a/compiler/testData/codegen/box/enum/enumEntriesCompatibilityCheckPrioritized.kt b/compiler/testData/codegen/box/enum/enumEntriesCompatibilityCheckPrioritized.kt
index e615239..5c100f3 100644
--- a/compiler/testData/codegen/box/enum/enumEntriesCompatibilityCheckPrioritized.kt
+++ b/compiler/testData/codegen/box/enum/enumEntriesCompatibilityCheckPrioritized.kt
@@ -1,5 +1,6 @@
 // LANGUAGE: +EnumEntries +PrioritizedEnumEntries
 // IGNORE_BACKEND_K1: ANY
+// IGNORE_KLIB_BACKEND_ERRORS_WITH_CUSTOM_FIRST_STAGE: ANY:1.9
 // FULL_JDK
 // WITH_STDLIB
 
diff --git a/compiler/testData/codegen/box/initializers/initializers9.kt b/compiler/testData/codegen/box/initializers/initializers9.kt
index bbaa778..8a71f21 100644
--- a/compiler/testData/codegen/box/initializers/initializers9.kt
+++ b/compiler/testData/codegen/box/initializers/initializers9.kt
@@ -1,5 +1,6 @@
 // ISSUE: KT-66762: under K1, there's FAIL 1: . Expected <Hello!\n>, actual <>
 // IGNORE_BACKEND_K1: JVM_IR, JS_IR, JS_IR_ES6, WASM, NATIVE
+// IGNORE_KLIB_BACKEND_ERRORS_WITH_CUSTOM_FIRST_STAGE: ANY:1.9
 // WITH_STDLIB
 import kotlin.test.*
 
diff --git a/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/dispatchReceiverValue.kt b/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/dispatchReceiverValue.kt
index c92104f..7cabc1d 100644
--- a/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/dispatchReceiverValue.kt
+++ b/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/dispatchReceiverValue.kt
@@ -1,4 +1,5 @@
 // IGNORE_BACKEND_K1: ANY
+// IGNORE_KLIB_BACKEND_ERRORS_WITH_CUSTOM_FIRST_STAGE: JS:1.9
 // LANGUAGE: +MultiPlatformProjects
 // ISSUE: KT-41901, KT-57181
 
diff --git a/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/nestedEnumEntryValue.kt b/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/nestedEnumEntryValue.kt
index e1c1981..09bc678 100644
--- a/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/nestedEnumEntryValue.kt
+++ b/compiler/testData/codegen/box/multiplatform/k2/defaultArguments/nestedEnumEntryValue.kt
@@ -1,4 +1,5 @@
 // IGNORE_BACKEND_K1: ANY
+// IGNORE_KLIB_BACKEND_ERRORS_WITH_CUSTOM_FIRST_STAGE: JS:1.9
 // LANGUAGE: +MultiPlatformProjects
 // ISSUE: KT-51156
 // WITH_STDLIB
diff --git a/compiler/testData/codegen/box/safeCall/parenthesizedSafeCallsAndOperators.kt b/compiler/testData/codegen/box/safeCall/parenthesizedSafeCallsAndOperators.kt
index fb15841..dc3af9a 100644
--- a/compiler/testData/codegen/box/safeCall/parenthesizedSafeCallsAndOperators.kt
+++ b/compiler/testData/codegen/box/safeCall/parenthesizedSafeCallsAndOperators.kt
@@ -2,7 +2,7 @@
 // ISSUE: KT-68834
 // IGNORE_BACKEND_K1: ANY
 
-// IGNORE_KLIB_BACKEND_ERRORS_WITH_CUSTOM_FIRST_STAGE: 2.0.0
+// IGNORE_KLIB_BACKEND_ERRORS_WITH_CUSTOM_FIRST_STAGE: ANY:1.9,2.0
 // ^^^ KT-68834 fixed in 2.1.0-Beta1
 
 var result = "none"
diff --git a/compiler/testData/codegen/box/smartCasts/invokeRecieverSmartcastK2.kt b/compiler/testData/codegen/box/smartCasts/invokeRecieverSmartcastK2.kt
index 897c558..eee29c3 100644
--- a/compiler/testData/codegen/box/smartCasts/invokeRecieverSmartcastK2.kt
+++ b/compiler/testData/codegen/box/smartCasts/invokeRecieverSmartcastK2.kt
@@ -1,4 +1,5 @@
 // IGNORE_BACKEND_K1: ANY
+// IGNORE_KLIB_BACKEND_ERRORS_WITH_CUSTOM_FIRST_STAGE: ANY:1.9
 // ISSUE: KT-63709
 
 operator fun String.invoke(unused: String): String = "String.invoke(String)"