Explicitly use setVolatile instead of extra IRBuilder argument.

git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@90095 91177308-0d34-0410-b5e6-96231b3b80d8

diff --git a/lib/CodeGen/CGBuiltin.cpp b/lib/CodeGen/CGBuiltin.cpp
index 399b8733e720ca5f013a52af3424295d052afcd2..3e22e36237afcc5c41335f7c1ff1277aa1579860 100644 (file)
--- a/lib/CodeGen/CGBuiltin.cpp
+++ b/lib/CodeGen/CGBuiltin.cpp
@@ -530,7 +530,9 @@ RValue CodeGenFunction::EmitBuiltinExpr(const FunctionDecl *FD,
     Value *Ptr = EmitScalarExpr(E->getArg(0));
     const llvm::Type *ElTy =
       cast<llvm::PointerType>(Ptr->getType())->getElementType();
-    Builder.CreateStore(llvm::Constant::getNullValue(ElTy), Ptr, true);
+    llvm::StoreInst *Store = 
+      Builder.CreateStore(llvm::Constant::getNullValue(ElTy), Ptr);
+    Store->setVolatile(true);
     return RValue::get(0);
   }