From 450caf40334f3200ea4d40cffee4c1464a8da504 Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Mon, 20 Jun 2016 18:17:03 +0200
Subject: [PATCH] VirtualFile.getParent() is nullable (EA-84222 - NPE:
 DecompiledFileWritingAccessProvider.isPotentiallyWritable) (cherry picked
 from commit a77f4df)

---
 .../jetbrains/kotlin/idea/internal/KotlinDecompilerAdapter.kt   | 2 +-
 1 file changed, 1 insertion(+), 1 deletion(-)

diff --git a/idea/src/org/jetbrains/kotlin/idea/internal/KotlinDecompilerAdapter.kt b/idea/src/org/jetbrains/kotlin/idea/internal/KotlinDecompilerAdapter.kt
index c3f2ddcaf9f..726bc65ba04 100644
--- a/idea/src/org/jetbrains/kotlin/idea/internal/KotlinDecompilerAdapter.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/internal/KotlinDecompilerAdapter.kt
@@ -54,7 +54,7 @@ fun getOrCreateDummyRoot(): VirtualFile =
 
 class DecompiledFileWritingAccessProvider : WritingAccessProvider() {
     override fun isPotentiallyWritable(file: VirtualFile): Boolean {
-        if (file.fileSystem is DummyFileSystem && file.parent.name == KOTLIN_DECOMPILED_FOLDER) {
+        if (file.fileSystem is DummyFileSystem && file.parent?.name == KOTLIN_DECOMPILED_FOLDER) {
             return false
         }
         return true