diff --git a/clang/lib/CodeGen/CodeGenFunction.cpp b/clang/lib/CodeGen/CodeGenFunction.cpp
index 34cdaa9..53de907 100644
--- a/clang/lib/CodeGen/CodeGenFunction.cpp
+++ b/clang/lib/CodeGen/CodeGenFunction.cpp
@@ -1001,8 +1001,7 @@
       arrayType = getContext().getAsArrayType(eltType);
     }
 
-    unsigned AddressSpace =
-        cast<llvm::PointerType>(addr->getType())->getAddressSpace();
+    unsigned AddressSpace = addr->getType()->getPointerAddressSpace();
     llvm::Type *BaseType = ConvertType(eltType)->getPointerTo(AddressSpace);
     addr = Builder.CreateBitCast(addr, BaseType, "array.begin");
   } else {