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-rw-r--r--lib/Solver/IndependentSolver.cpp2
1 files changed, 1 insertions, 1 deletions
diff --git a/lib/Solver/IndependentSolver.cpp b/lib/Solver/IndependentSolver.cpp
index 62632cd0..ed36816c 100644
--- a/lib/Solver/IndependentSolver.cpp
+++ b/lib/Solver/IndependentSolver.cpp
@@ -120,7 +120,7 @@ public:
       const Array *array = re->updates.root;
       
       // Reads of a constant array don't alias.
-      if (re->updates.root->isConstantArray() && re->updates.head.isNull())
+      if (re->updates.root->isConstantArray() && !re->updates.head)
         continue;
 
       if (!wholeObjects.count(array)) {