1 files changed, 2 insertions, 5 deletions
diff --git a/include/clang/AST/DeclBase.h b/include/clang/AST/DeclBase.h
index 26cbd3802f..ec8bb3aaa3 100644
--- a/include/clang/AST/DeclBase.h
+++ b/include/clang/AST/DeclBase.h
@@ -73,13 +73,10 @@ namespace clang {
 ///
 /// Note: There are objects tacked on before the *beginning* of Decl
 /// (and its subclasses) in its Decl::operator new(). Proper alignment
-/// of all subclasses (not requiring more than DeclObjAlignment) is
+/// of all subclasses (not requiring more than the alignment of Decl) is
 /// asserted in DeclBase.cpp.
-class Decl {
+class LLVM_ALIGNAS(/*alignof(uint64_t)*/ 8) Decl {
 public:
-  /// \brief Alignment guaranteed when allocating Decl and any subtypes.
-  enum { DeclObjAlignment = llvm::AlignOf<uint64_t>::Alignment };
-
   /// \brief Lists the kind of concrete classes of Decl.
   enum Kind {
 #define DECL(DERIVED, BASE) DERIVED,