diff --git a/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfTests.kt b/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfTests.kt
index 03f409a2e2f..bfc1e204374 100644
--- a/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfTests.kt
+++ b/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/DwarfTests.kt
@@ -62,7 +62,7 @@ class DwarfTests {
             }
         """.trimIndent().binary("poisoned", "-g", "-l", poisonLibrary.toString(), "-l", callbackLibrary.toString(), "-l", trapLibrary.toString())
 
-        binary.dwarfDumpLookup("kfun:main\$lambda-0#internal") {
+        binary.dwarfDumpLookup("kfun:main\$lambda$0#internal") {
             assertFalse(this.isEmpty())
             val subprogram = single { it.tag == DwarfTag.Tag.DW_TAG_subprogram } as DwarfTagSubprogram
             assertEquals(subprogram.file!!.name, "poison.kt")
diff --git a/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/LldbTests.kt b/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/LldbTests.kt
index 03af2b7b7be..e1d9e76bdeb 100644
--- a/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/LldbTests.kt
+++ b/kotlin-native/backend.native/tests/debugger/src/test/kotlin/org/jetbrains/kotlin/native/test/debugger/LldbTests.kt
@@ -259,9 +259,9 @@ class LldbTests {
             > bt
             * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
             * frame #0: [..] kt42208.kexe`ThrowException
-              frame #1: [..] kt42208.kexe`kfun:main${'$'}lambda-0#internal at kt42208-2.kt:3:18
-              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
-              frame #3: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-UNN>invoke(_this=[..]){}kotlin.Nothing#internal at kt42208-1.kt:2:5
+              frame #1: [..] kt42208.kexe`kfun:main${'$'}lambda${'$'}0#internal at kt42208-2.kt:3:18
+              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
+              frame #3: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-UNN>invoke(_this=[..]){}kotlin.Nothing#internal at kt42208-1.kt:2:5
               frame #4: [..] kt42208.kexe`kfun:#main(){} at kt42208-1.kt:2:5
               frame #5: [..] kt42208.kexe`Konan_start(args=[..]) at kt42208-1.kt:1:1
               frame #6: [..]
@@ -294,26 +294,26 @@ class LldbTests {
             > ${lldbCommandRunOrContinue()}
             > bt
             * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
-            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda-0#internal at kt42208-2.kt:5:5
-              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
-              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
+            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda${'$'}0#internal at kt42208-2.kt:5:5
+              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
+              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
               frame #3: [..] kt42208.kexe`kfun:#main(){} at kt42208-1.kt:3:5
               frame #4: [..] kt42208.kexe`Konan_start(args=[..]) at kt42208-1.kt:1:1
               frame #5: [..]
             > c
             > bt
             * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
-            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda-0#internal at kt42208-2.kt:5:5
-              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
-              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
+            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda${'$'}0#internal at kt42208-2.kt:5:5
+              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
+              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
               frame #3: [..] kt42208.kexe`kfun:#main(){} at kt42208-1.kt:4:5
               frame #4: [..] kt42208.kexe`Konan_start(args=[..]) at kt42208-1.kt:1:1
             > c
             > bt
             * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
-            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda-0#internal at kt42208-2.kt:5:5
-              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
-              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
+            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda${'$'}0#internal at kt42208-2.kt:5:5
+              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
+              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
               frame #3: [..] kt42208.kexe`kfun:#main(){} at kt42208-1.kt:5:5
               frame #4: [..] kt42208.kexe`Konan_start(args=[..]) at kt42208-1.kt:1:1
             > q
@@ -349,9 +349,9 @@ class LldbTests {
             > ${lldbCommandRunOrContinue()}
             > bt
             * thread #1, queue = 'com.apple.main-thread', stop reason = breakpoint 1.1
-            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda-0#internal at kt42208-2.kt:5:5
-              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
-              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda-0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
+            * frame #0: [..] kt42208.kexe`kfun:main${'$'}lambda${'$'}0#internal at kt42208-2.kt:5:5
+              frame #1: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.invoke#internal(_this=[..]) at kt42208-1.kt:2:5
+              frame #2: [..] kt42208.kexe`kfun:${'$'}main${'$'}lambda${'$'}0${'$'}FUNCTION_REFERENCE${'$'}0.${'$'}<bridge-BNN>invoke(_this=[..]){}kotlin.Boolean#internal at kt42208-1.kt:2:5
               frame #3: [..] kt42208.kexe`kfun:#bar(v=[]){} at kt42208-3.kt:2:4
               frame #4: [..] kt42208.kexe`kfun:#main(){} at kt42208-1.kt:3:5
               frame #5: [..] kt42208.kexe`Konan_start(args=[]) at kt42208-1.kt:1:1