diff --git a/clang/lib/Sema/CodeCompleteConsumer.cpp b/clang/lib/Sema/CodeCompleteConsumer.cpp
index 769141e..f5b0104 100644
--- a/clang/lib/Sema/CodeCompleteConsumer.cpp
+++ b/clang/lib/Sema/CodeCompleteConsumer.cpp
@@ -328,9 +328,9 @@
 
 CodeCompletionString *CodeCompletionBuilder::TakeString() {
   void *Mem = getAllocator().Allocate(
-                  sizeof(CodeCompletionString) + sizeof(Chunk) * Chunks.size()
-                                    + sizeof(const char *) * Annotations.size(),
-                                 llvm::alignOf<CodeCompletionString>());
+      sizeof(CodeCompletionString) + sizeof(Chunk) * Chunks.size() +
+          sizeof(const char *) * Annotations.size(),
+      alignof(CodeCompletionString));
   CodeCompletionString *Result 
     = new (Mem) CodeCompletionString(Chunks.data(), Chunks.size(),
                                      Priority, Availability,