Introduced

nativeMemUtils.getByteArray
and
    nativeMemUtils.putByteArray
for faster memory copy.

backend.native/compiler/ir/backend.native/src/org/jetbrains/kotlin/backend/konan/llvm/HashUtils.kt

@@ -41,7 +41,9 @@ public fun base64Decode(encoded: String): ByteArray {
         val errorCode = DecodeBase64(encoded, encoded.length, result[0].ptr, resultSize[0].ptr)
         if (errorCode != 0) throw Error("Non-zero exit code of DecodeBase64: ${errorCode}")
         val realSize = resultSize[0].value!!
-        return ByteArray(realSize, {i -> result[i].value!!})
+        val bytes = ByteArray(realSize)
+        nativeMemUtils.getByteArray(result[0], bytes, realSize)
+        return bytes
     }
 }