From 76b5eadbaab90058b16fc8fac892ffb6ad3b3a8b Mon Sep 17 00:00:00 2001
From: Dmitry Jemerov <yole@jetbrains.com>
Date: Wed, 7 Dec 2016 19:41:15 +0300
Subject: [PATCH] Mark file writable before creating intention delegate (change
 of writable property can increment out-of-code-block modification count,
 which recreates the cached resolve session)

---
 .../kotlin/idea/quickfix/QuickFixWithDelegateFactory.kt      | 5 +++++
 1 file changed, 5 insertions(+)

diff --git a/idea/src/org/jetbrains/kotlin/idea/quickfix/QuickFixWithDelegateFactory.kt b/idea/src/org/jetbrains/kotlin/idea/quickfix/QuickFixWithDelegateFactory.kt
index ffab4cdb897..e8de437a614 100644
--- a/idea/src/org/jetbrains/kotlin/idea/quickfix/QuickFixWithDelegateFactory.kt
+++ b/idea/src/org/jetbrains/kotlin/idea/quickfix/QuickFixWithDelegateFactory.kt
@@ -16,6 +16,7 @@
 
 package org.jetbrains.kotlin.idea.quickfix
 
+import com.intellij.codeInsight.FileModificationService
 import com.intellij.codeInsight.intention.HighPriorityAction
 import com.intellij.codeInsight.intention.IntentionAction
 import com.intellij.codeInsight.intention.LowPriorityAction
@@ -49,6 +50,10 @@ open class QuickFixWithDelegateFactory(
     override fun startInWriteAction() = startInWriteAction
 
     override fun invoke(project: Project, editor: Editor?, file: PsiFile?) {
+        if (!FileModificationService.getInstance().prepareFileForWrite(file)) {
+            return
+        }
+
         val action = delegateFactory() ?: return
 
         assert(action.detectPriority() == this.detectPriority()) {