diff --git a/clang/lib/StaticAnalyzer/Core/MemRegion.cpp b/clang/lib/StaticAnalyzer/Core/MemRegion.cpp
--- a/clang/lib/StaticAnalyzer/Core/MemRegion.cpp
+++ b/clang/lib/StaticAnalyzer/Core/MemRegion.cpp
@@ -1279,7 +1279,7 @@
     SR = dyn_cast<SubRegion>(R);
   }
 
-  return dyn_cast<MemSpaceRegion>(R);
+  return cast<MemSpaceRegion>(R);
 }
 
 bool MemRegion::hasStackStorage() const {