Roll-back r250822.

Summary: It breaks the build for the ASTMatchers

Subscribers: klimek, cfe-commits

Differential Revision: http://reviews.llvm.org/D13893

llvm-svn: 250827
diff --git a/clang/lib/CodeGen/CodeGenTBAA.cpp b/clang/lib/CodeGen/CodeGenTBAA.cpp
index ee232ce..c3c925c 100644
--- a/clang/lib/CodeGen/CodeGenTBAA.cpp
+++ b/clang/lib/CodeGen/CodeGenTBAA.cpp
@@ -36,7 +36,8 @@
     MDHelper(VMContext), Root(nullptr), Char(nullptr) {
 }
 
-CodeGenTBAA::~CodeGenTBAA() = default;
+CodeGenTBAA::~CodeGenTBAA() {
+}
 
 llvm::MDNode *CodeGenTBAA::getRoot() {
   // Define the root of the tree. This identifies the tree, so that