1 files changed, 10 insertions, 0 deletions
diff --git a/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/Range.java b/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/Range.java
index 5727c62f4d14..e166acd30fec 100644
--- a/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/Range.java
+++ b/platform/vcs-impl/src/com/intellij/openapi/vcs/ex/Range.java
@@ -42,6 +42,8 @@ public class Range {
   private final byte myType;
   @Nullable private RangeHighlighter myRangeHighlighter;
 
+  private boolean myValid = true;
+
   public static Range createOn(@NotNull Diff.Change change, int shift, int upToDateShift) {
     byte type = getChangeTypeFrom(change);
 
@@ -158,4 +160,12 @@ public class Range {
   public RangeHighlighter getHighlighter() {
     return myRangeHighlighter;
   }
+
+  public boolean isValid() {
+    return myValid;
+  }
+
+  public void invalidate() {
+    myValid = false;
+  }
 }