diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/IrInterpreter.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/IrInterpreter.kt
index a850f42e0c7..d2ab16c0f25 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/IrInterpreter.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/IrInterpreter.kt
@@ -648,7 +648,22 @@ class IrInterpreter(irModule: IrModuleFragment) {
                 else -> listOf(result)
             }
         }
-        stack.pushReturnValue(args.toPrimitiveStateArray(expression.type))
+
+        val array = when (expression.type.classifierOrFail.descriptor.name.asString()) {
+            "UByteArray", "UShortArray", "UIntArray", "ULongArray" -> {
+                val owner = expression.type.classOrNull!!.owner
+                val constructor = owner.primaryConstructor!!
+                val storageParameter = constructor.valueParameters.single()
+                val primitiveArray = args.map { ((it as Common).fields.single().state as Primitive<*>).value }
+                val unsignedArray = primitiveArray.toPrimitiveStateArray(storageParameter.type)
+                Common(owner).apply {
+                    setSuperClassRecursive()
+                    fields.add(Variable(storageParameter.descriptor, unsignedArray))
+                }
+            }
+            else -> args.toPrimitiveStateArray(expression.type)
+        }
+        stack.pushReturnValue(array)
         return Next
     }
 
diff --git a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/intrinsics/IntrinsicImplementations.kt b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/intrinsics/IntrinsicImplementations.kt
index 535f5a120cf..c23cbfbd1db 100644
--- a/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/intrinsics/IntrinsicImplementations.kt
+++ b/compiler/ir/backend.common/src/org/jetbrains/kotlin/backend/common/interpreter/intrinsics/IntrinsicImplementations.kt
@@ -193,7 +193,9 @@ object ArrayConstructor : IntrinsicBase() {
             for (i in 0 until size) {
                 val indexVar = listOf(Variable(index.descriptor, i.toState(index.type)))
                 // TODO throw exception if label != RETURN
-                stack.newFrame(initPool = indexVar) { initLambda.irFunction.body!!.interpret() }.check(ReturnLabel.RETURN) { return it }
+                stack.newFrame(asSubFrame = initLambda.irFunction.isLocal || initLambda.irFunction.isInline, initPool = indexVar) {
+                    initLambda.irFunction.body!!.interpret()
+                }.check(ReturnLabel.RETURN) { return it }
                 arrayValue[i] = stack.popReturnValue().let { (it as? Wrapper)?.value ?: (it as? Primitive<*>)?.value ?: it }
             }
         }