don't re-build formula groups just yet.

Change-Id: Ibd7677e9e4f695be883cb20d3182cc8a8501f855

sc/source/core/data/column.cxx

@@ -2033,7 +2033,6 @@ void ScColumn::UpdateCompile( bool bForceIfNameInUse )
                     Search( nRow, i );      // Listener deleted/inserted?
             }
         }
-        RebuildFormulaGroups();
     }
 }
 
@@ -2243,6 +2242,7 @@ void ScColumn::CalcAll()
 void ScColumn::CompileAll()
 {
     if ( !maItems.empty() )
+    {
         for (SCSIZE i = 0; i < maItems.size(); i++)
         {
             ScBaseCell* pCell = maItems[i].pCell;
@@ -2258,6 +2258,7 @@ void ScColumn::CompileAll()
                     Search( nRow, i );      // Listener deleted/inserted?
             }
         }
+    }
 }
 
 

sc/source/core/data/column2.cxx

@@ -1431,7 +1431,6 @@ void ScColumn::CellStorageModified()
     }
     cout << "-- end" << endl;
 #endif
-    RebuildFormulaGroups();
 }
 
 void ScColumn::CopyScriptTypesToDocument(SCROW nRow1, SCROW nRow2, ScColumn& rDestCol) const

sc/source/core/data/column3.cxx

@@ -2009,7 +2009,7 @@ ScFormulaCellGroup::~ScFormulaCellGroup()
 // of similar formulae into a formulagroup
 void ScColumn::RebuildFormulaGroups()
 {
-    if ( maItems.empty() )
+    if ( maItems.empty() || !bDirtyGroups )
         return;
 
     // clear previous groups
@@ -2068,10 +2068,21 @@ void ScColumn::RebuildFormulaGroups()
         }
         else
         {
-            fprintf( stderr, "unusual incompatible extension of formulae\n" );
+            OUString aFormula;
+            pCur->GetFormula( aFormula );
+            ScAddress aAddr( nCol, rCur.nRow, nTab );
+            OUString aCellAddr;
+            aAddr.Format( aCellAddr, 0, pDocument );
+
+            fprintf( stderr, "unusual incompatible extension in cell '%s' of formulae '%s'\n" ,
+                     OUStringToOString( aCellAddr, RTL_TEXTENCODING_UTF8 ).getStr(),
+                     OUStringToOString( aFormula, RTL_TEXTENCODING_UTF8 ).getStr() );
+
             pCur->ReleaseDelta( pDelta );
         }
     }
+
+    bDirtyGroups = false;
 }
 
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