diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/CodeGenerator.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/CodeGenerator.kt
index a2be9bcfc6a..ba654468515 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/CodeGenerator.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/CodeGenerator.kt
@@ -402,9 +402,9 @@ internal class FunctionGenerationContext(val function: LLVMValueRef,
     //private var arenaSlot: LLVMValueRef? = null
     private val slotToVariableLocation = mutableMapOf<Int, VariableDebugLocation>()
 
-    private val prologueBb = basicBlockInFunction("prologue", startLocation)
-    private val localsInitBb = basicBlockInFunction("locals_init", startLocation)
-    private val stackLocalsInitBb = basicBlockInFunction("stack_locals_init", startLocation)
+    private val prologueBb = basicBlockInFunction("prologue", null)
+    private val localsInitBb = basicBlockInFunction("locals_init", null)
+    private val stackLocalsInitBb = basicBlockInFunction("stack_locals_init", null)
     private val entryBb = basicBlockInFunction("entry", startLocation)
     private val epilogueBb = basicBlockInFunction("epilogue", endLocation)
     private val cleanupLandingpad = basicBlockInFunction("cleanup_landingpad", endLocation)