Dont add empty vars in MODIFY_EXPR node.

1 files changed, 5 insertions, 2 deletions

diff --git a/src/analysis/expression.cpp b/src/analysis/expression.cpp
index fbad407..43bdbba 100644
--- a/src/analysis/expression.cpp
+++ b/src/analysis/expression.cpp
@@ -119,8 +119,11 @@ void analyseModifyExpr(ModifyExprNode *node, const WalkItem &wi, WalkItem &wo)
         {
             std::string var1 = getComponentRefVariable(arg);
             std::string var2 = getVariableName(node->args[1]);
-            wo.addNullVars.insert(var1);
-            addLinkedVar(wo, var2, var1);
+            if (!var1.empty() && !var2.empty())
+            {
+                wo.addNullVars.insert(var1);
+                addLinkedVar(wo, var2, var1);
+            }
         }
     }
 }