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 5fcf0800390..b4c2b6c95b3 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
@@ -123,8 +123,8 @@ val LLVMValueRef.isConst:Boolean
 
 internal inline fun<R> generateFunction(codegen: CodeGenerator,
                                         function: IrFunction,
-                                        startLocation: LocationInfo? = null,
-                                        endLocation: LocationInfo? = null,
+                                        startLocation: LocationInfo?,
+                                        endLocation: LocationInfo?,
                                         code: FunctionGenerationContext.(FunctionGenerationContext) -> R) {
     val llvmFunction = codegen.llvmFunction(function)
 
diff --git a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt
index 6d62568240d..6a8d36b0ea6 100644
--- a/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt
+++ b/kotlin-native/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/IrToBitcode.kt
@@ -370,7 +370,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
         f()
 
         context.llvm.initializersGenerationState.globalInitFunction?.let { fileInitFunction ->
-            generateFunction(codegen, fileInitFunction, null, null) {
+            generateFunction(codegen, fileInitFunction, fileInitFunction.location(start = true), fileInitFunction.location(start = false)) {
                 using(FunctionScope(fileInitFunction, it)) {
                     val parameterScope = ParameterScope(fileInitFunction, functionGenerationContext)
                     using(parameterScope) usingParameterScope@{
@@ -387,7 +387,7 @@ internal class CodeGeneratorVisitor(val context: Context, val lifetimes: Map<IrE
         }
 
         context.llvm.initializersGenerationState.threadLocalInitFunction?.let { fileInitFunction ->
-            generateFunction(codegen, fileInitFunction, null, null) {
+            generateFunction(codegen, fileInitFunction, fileInitFunction.location(start = true), fileInitFunction.location(start = false)) {
                 using(FunctionScope(fileInitFunction, it)) {
                     val parameterScope = ParameterScope(fileInitFunction, functionGenerationContext)
                     using(parameterScope) usingParameterScope@{