From 3a69c926b58495b96d95dcda3cc3fc12721f2652 Mon Sep 17 00:00:00 2001
From: Eivind Kvedalen <eivind@kvedalen.name>
Date: Tue, 23 Jun 2015 19:15:34 +0200
Subject: [PATCH] Spreadsheet: Fixed bug in dependency tracking between
 objects.

---
 src/Mod/Spreadsheet/App/Sheet.cpp | 9 +++++++++
 1 file changed, 9 insertions(+)

diff --git a/src/Mod/Spreadsheet/App/Sheet.cpp b/src/Mod/Spreadsheet/App/Sheet.cpp
index d2a44dd0954a..86d700205411 100644
--- a/src/Mod/Spreadsheet/App/Sheet.cpp
+++ b/src/Mod/Spreadsheet/App/Sheet.cpp
@@ -856,6 +856,15 @@ void Sheet::clear(CellAddress address, bool all)
 
     cells.clear(address);
 
+    // Update dependencies
+    std::set<App::DocumentObject*> ds(cells.getDocDeps());
+
+    // Make sure we don't reference ourselves
+    ds.erase(this);
+
+    std::vector<App::DocumentObject*> dv(ds.begin(), ds.end());
+    docDeps.setValues(dv);
+
     propAddress.erase(prop);
     props.removeDynamicProperty(addr.c_str());
 }