Don't delete tmp source files on exit

kotlin-native/Interop/Indexer/src/main/kotlin/org/jetbrains/kotlin/native/interop/indexer/Utils.kt

diff --git a/kotlin-native/Interop/Indexer/src/main/kotlin/org/jetbrains/kotlin/native/interop/indexer/Utils.kt b/kotlin-native/Interop/Indexer/src/main/kotlin/org/jetbrains/kotlin/native/interop/indexer/Utils.kt
index 6550943..d549c94 100644
--- a/kotlin-native/Interop/Indexer/src/main/kotlin/org/jetbrains/kotlin/native/interop/indexer/Utils.kt
+++ b/kotlin-native/Interop/Indexer/src/main/kotlin/org/jetbrains/kotlin/native/interop/indexer/Utils.kt
@@ -366,7 +366,7 @@
  */
 internal fun Compilation.createTempSource(): File {
     val result = Files.createTempFile(null, ".${language.sourceFileExtension}").toFile()
-    result.deleteOnExit()
+//    result.deleteOnExit()
 
     result.bufferedWriter().use { writer ->
         writer.appendPreamble(this)