diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/lower/LowerUtils.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/lower/LowerUtils.kt
index 44c64428ec5..309de8eda79 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/lower/LowerUtils.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/common/lower/LowerUtils.kt
@@ -18,16 +18,22 @@ import org.jetbrains.kotlin.utils.Printer
 
 class IrLoweringContext(backendContext: BackendContext) : IrGeneratorContext(backendContext.irBuiltIns)
 
-class FunctionIrBuilder(backendContext: BackendContext, functionDescriptor: FunctionDescriptor) :
+class DeclarationIrBuilder(backendContext: BackendContext,
+                           declarationDescriptor: DeclarationDescriptor,
+                           startOffset : Int = UNDEFINED_OFFSET,
+                           endOffset : Int = UNDEFINED_OFFSET) :
         IrBuilderWithScope(
                 IrLoweringContext(backendContext),
-                Scope(functionDescriptor),
-                UNDEFINED_OFFSET,
-                UNDEFINED_OFFSET
+                Scope(declarationDescriptor),
+                startOffset,
+                endOffset
         )
 
-fun BackendContext.createFunctionIrBuilder(functionDescriptor: FunctionDescriptor) =
-        FunctionIrBuilder(this, functionDescriptor)
+fun BackendContext.createIrBuilder(declarationDescriptor: DeclarationDescriptor,
+                                   startOffset : Int = UNDEFINED_OFFSET,
+                                   endOffset : Int = UNDEFINED_OFFSET) =
+        DeclarationIrBuilder(this, declarationDescriptor, startOffset, endOffset)
+
 
 fun <T : IrBuilder> T.at(element: IrElement) = this.at(element.startOffset, element.endOffset)
 
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt
index 2a4d7b34382..d847e633147 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/CallableReferenceLowering.kt
@@ -1,7 +1,7 @@
 package org.jetbrains.kotlin.backend.konan.lower
 
 import org.jetbrains.kotlin.backend.common.DeclarationContainerLoweringPass
-import org.jetbrains.kotlin.backend.common.lower.createFunctionIrBuilder
+import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.konan.*
 import org.jetbrains.kotlin.backend.konan.descriptors.*
 import org.jetbrains.kotlin.backend.konan.ir.*
@@ -136,7 +136,7 @@ private class CallableReferencesUnbinder(val lower: CallableReferenceLowering,
         // Create new function descriptor:
         val newDescriptor = createSimpleFunctionImplTargetDescriptor(descriptor, unboundParams)
 
-        val builder = lower.context.createFunctionIrBuilder(newDescriptor)
+        val builder = lower.context.createIrBuilder(newDescriptor)
         val blockBody = builder.irBlockBody(startOffset, endOffset) {
             val boundArgsGet = irCall(simpleFunctionImplBoundArgsGetter).apply {
                 dispatchReceiver = irGet(newDescriptor.valueParameters[0])
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DefaultParameterStubGenerator.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DefaultParameterStubGenerator.kt
index 79a2c36380c..0510b1d4fdd 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DefaultParameterStubGenerator.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/DefaultParameterStubGenerator.kt
@@ -2,7 +2,7 @@ package org.jetbrains.kotlin.backend.konan.lower
 
 import org.jetbrains.kotlin.backend.common.BodyLoweringPass
 import org.jetbrains.kotlin.backend.common.DeclarationContainerLoweringPass
-import org.jetbrains.kotlin.backend.common.lower.createFunctionIrBuilder
+import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.common.lower.irBlockBody
 import org.jetbrains.kotlin.backend.konan.Context
 import org.jetbrains.kotlin.backend.konan.KonanPlatform
@@ -70,7 +70,7 @@ class DefaultParameterStubGenerator internal constructor(val context: Context):
         functionDescriptor.overriddenDescriptors.forEach { context.log("DEFAULT-REPLACER: $it") }
         if (bodies.isNotEmpty()) {
             val description = functionDescriptor.getOrCreateDefaultsDescription(context)
-            val builder = context.createFunctionIrBuilder(description.function)
+            val builder = context.createIrBuilder(description.function)
             val body = builder.irBlockBody(irFunction) {
                 val params = mutableListOf<VariableDescriptor>()
                 val variables = mutableMapOf<VariableDescriptor, VariableDescriptor>()
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
index ee6bd0a9091..61a0721ad65 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/InteropLowering.kt
@@ -2,7 +2,7 @@ package org.jetbrains.kotlin.backend.konan.lower
 
 import org.jetbrains.kotlin.backend.common.FunctionLoweringPass
 import org.jetbrains.kotlin.backend.common.lower.at
-import org.jetbrains.kotlin.backend.common.lower.createFunctionIrBuilder
+import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.konan.Context
 import org.jetbrains.kotlin.backend.konan.ValueType
 import org.jetbrains.kotlin.backend.konan.isRepresentedAs
@@ -38,7 +38,7 @@ internal class InteropLowering(val context: Context) : FunctionLoweringPass {
 
 private class InteropTransformer(val context: Context, val function: FunctionDescriptor) : IrElementTransformerVoid() {
 
-    val builder = context.createFunctionIrBuilder(function)
+    val builder = context.createIrBuilder(function)
     val interop = context.interopBuiltIns
 
     private fun MemberScope.getSingleContributedFunction(name: String,
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/StringConcatenationLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/StringConcatenationLowering.kt
index 8ee8ae7545b..0bc1e31de01 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/StringConcatenationLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/StringConcatenationLowering.kt
@@ -1,6 +1,7 @@
 package org.jetbrains.kotlin.backend.konan.lower
 
 import org.jetbrains.kotlin.backend.common.FileLoweringPass
+import org.jetbrains.kotlin.backend.common.lower.createIrBuilder
 import org.jetbrains.kotlin.backend.konan.Context
 import org.jetbrains.kotlin.backend.konan.descriptors.signature2Descriptor
 import org.jetbrains.kotlin.backend.konan.ir.irLetSequence
@@ -92,7 +93,7 @@ private class StringConcatenationTransformer(val lower: StringConcatenationLower
     override fun visitDeclaration(declaration: IrDeclaration): IrStatement {
         with(declaration) {
             buildersStack.add(
-                    IrBlockBuilder(IrGeneratorContext(context.irBuiltIns), Scope(descriptor), startOffset, endOffset)
+                    context.createIrBuilder(declaration.descriptor, startOffset, endOffset)
             )
             transformChildrenVoid(this@StringConcatenationTransformer)
             buildersStack.removeAt(buildersStack.lastIndex)
diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt
index cbf34eb8774..19faba44154 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/TypeOperatorLowering.kt
@@ -34,7 +34,7 @@ internal class TypeOperatorLowering(val context: Context) : FunctionLoweringPass
 
 private class TypeOperatorTransformer(val context: Context, val function: FunctionDescriptor) : IrElementTransformerVoid() {
 
-    private val builder = context.createFunctionIrBuilder(function)
+    private val builder = context.createIrBuilder(function)
 
     val throwClassCastException by lazy {
         context.builtIns.getKonanInternalFunctions("ThrowClassCastException").single()