Fix crash on invalid assert in rule-based labeling

qgis · Apr 15, 2016 · a64ea0b0bea2d7e887a1be22408e9536c9d3f4a4 · a64ea0b · nyalldawson · Apr 27, 2016
1 parent 77d95b0
commit a64ea0b0bea2d7e887a1be22408e9536c9d3f4a4
Unified Split

Showing with 1 addition and 1 deletion.

+1 −1 src/core/qgsrulebasedlabeling.cpp
diff --git a/src/core/qgsrulebasedlabeling.cpp b/src/core/qgsrulebasedlabeling.cpp
@@ -222,7 +222,7 @@ void QgsRuleBasedLabeling::Rule::createSubProviders( QgsVectorLayer* layer, QgsR
   {
     // add provider!
     QgsVectorLayerLabelProvider *p = provider->createProvider( layer, false, mSettings );
-    delete subProviders.value( this, nullptr );
+    Q_ASSERT( !subProviders.contains( this ) );
     subProviders[this] = p;
   }