1 files changed, 1 insertions, 1 deletions
diff --git a/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeStyleManagerImpl.java b/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeStyleManagerImpl.java
index 767152fc1e2b..d51ef1216a59 100644
--- a/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeStyleManagerImpl.java
+++ b/platform/lang-impl/src/com/intellij/psi/impl/source/codeStyle/CodeStyleManagerImpl.java
@@ -181,7 +181,7 @@ public class CodeStyleManagerImpl extends CodeStyleManager {
     transformAllChildren(treeElement);
 
     final CodeFormatterFacade codeFormatter = new CodeFormatterFacade(getSettings(), file.getLanguage());
-    LOG.assertTrue(file.isValid());
+    LOG.assertTrue(file.isValid(), "File name: " + file.getName() + " , class: " + file.getClass().getSimpleName());
 
     if (editor == null) {
       editor = PsiUtilBase.findEditor(file);