diff --git a/clang/lib/Analysis/RegionStore.cpp b/clang/lib/Analysis/RegionStore.cpp
index 817c6ec..3216756 100644
--- a/clang/lib/Analysis/RegionStore.cpp
+++ b/clang/lib/Analysis/RegionStore.cpp
@@ -1230,6 +1230,7 @@
   const RecordType* RT = T->getAsStructureType();
   RecordDecl* RD = RT->getDecl();
   assert(RD->isDefinition());
+  (void)RD;
 #if USE_EXPLICIT_COMPOUND
   llvm::ImmutableList<SVal> StructVal = getBasicVals().getEmptySValList();