diff --git a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/VarargLowering.kt b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/VarargLowering.kt
index c1803185691..b849607f4e3 100644
--- a/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/VarargLowering.kt
+++ b/backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/lower/VarargLowering.kt
@@ -177,7 +177,7 @@ class VarargInjectionLowering internal constructor(val context: CommonBackendCon
 
     private fun arrayType(type: KotlinType): ArrayHandle = when {
         KotlinBuiltIns.isPrimitiveArray(type) -> {
-            val primitiveType = KotlinBuiltIns.getPrimitiveTypeByArrayClassFqName(DescriptorUtils.getFqName(type.constructor.declarationDescriptor!!))
+            val primitiveType = KotlinBuiltIns.getPrimitiveArrayType(type.constructor.declarationDescriptor!!)
             when (primitiveType) {
                 PrimitiveType.BYTE    -> kByteArrayHandler
                 PrimitiveType.SHORT   -> kShortArrayHandler
diff --git a/gradle.properties b/gradle.properties
index cb1c8234e79..16dd7eb51d8 100644
--- a/gradle.properties
+++ b/gradle.properties
@@ -23,6 +23,6 @@ testDataVersion=1067176:id
 kotlinCompilerRepo=http://dl.bintray.com/jetbrains/kotlin-native-dependencies
 #kotlinCompilerRepo=http://oss.sonatype.org/content/repositories/snapshots
 #kotlinCompilerRepo=http://dl.bintray.com/kotlin/kotlin-dev
-kotlinCompilerModule=org.jetbrains.kotlin:kotlin-compiler:1.1-20170623.231409-619
+kotlinCompilerModule=org.jetbrains.kotlin:kotlin-compiler:1.1-20170701.191134-644
 konanVersion=0.3
 org.gradle.jvmargs='-Dfile.encoding=UTF-8'