1 files changed, 3 insertions, 0 deletions
diff --git a/lib/CodeGen/CGExprScalar.cpp b/lib/CodeGen/CGExprScalar.cpp
index e0265545be..fa7b136831 100644
--- a/lib/CodeGen/CGExprScalar.cpp
+++ b/lib/CodeGen/CGExprScalar.cpp
@@ -1970,6 +1970,9 @@ static Value *emitPointerArithmetic(CodeGenFunction &CGF,
   QualType elementType = pointerType->getPointeeType();
   if (const VariableArrayType *vla
         = CGF.getContext().getAsVariableArrayType(elementType)) {
+    // arithmatic on VLA pointer - make sure to emit the VLA size.
+    CGF.EmitVariablyModifiedType(elementType);
+    
     // The element count here is the total number of non-VLA elements.
     llvm::Value *numElements = CGF.getVLASize(vla).first;