From a9865e5d7b7e1e39c8f096ca55c4c80b7aa36878 Mon Sep 17 00:00:00 2001
From: Ilya Kirillov <ilya.kirillov@jetbrains.com>
Date: Thu, 27 Jun 2019 13:16:39 +0300
Subject: [PATCH] New J2K: check for element validity before applying fix in
 diagnostic-based post processings

---
 .../nj2k/postProcessing/diagnosticBasedPostProcessing.kt      | 4 +++-
 1 file changed, 3 insertions(+), 1 deletion(-)

diff --git a/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/postProcessing/diagnosticBasedPostProcessing.kt b/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/postProcessing/diagnosticBasedPostProcessing.kt
index dc0e19bb3f2..831d3d5022f 100644
--- a/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/postProcessing/diagnosticBasedPostProcessing.kt
+++ b/nj2k/nj2k-services/src/org/jetbrains/kotlin/nj2k/postProcessing/diagnosticBasedPostProcessing.kt
@@ -44,7 +44,9 @@ class DiagnosticBasedPostProcessingGroup(diagnosticBasedProcessings: List<Diagno
                     val range = rangeMarker?.range ?: file.textRange
                     if (diagnostic.psiElement.isInRange(range)) {
                         diagnosticToFix[diagnostic.factory]?.forEach { fix ->
-                            runWriteAction { fix(diagnostic) }
+                            if (diagnostic.psiElement.isValid) {
+                                runWriteAction { fix(diagnostic) }
+                            }
                         }
                     }
                 }