invalid file error

diff --git a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/FoldingUpdate.java b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/FoldingUpdate.java
index a194063ab64888578fb60d0f37638965aa19b90b..266cf04b32fd8af2396fe82519405b44e9b3b5fe 100644 (file)
--- a/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/FoldingUpdate.java
+++ b/platform/lang-impl/src/com/intellij/codeInsight/folding/impl/FoldingUpdate.java
@@ -68,7 +68,7 @@ public class FoldingUpdate {
     
     return CachedValuesManager.getManager(project).getCachedValue(editor, CODE_FOLDING_KEY, new CachedValueProvider<Runnable>() {
       public Result<Runnable> compute() {
-
+        PsiFile file = PsiDocumentManager.getInstance(project).getPsiFile(editor.getDocument());
         return getUpdateResult(file, document, quick, project, editor, applyDefaultState);
       }
     }, false);