diff --git a/clang/lib/Frontend/CacheTokens.cpp b/clang/lib/Frontend/CacheTokens.cpp
index ab5465a2fa2b2b2b8e3bd1f3832cb4e183ec59d6..21db55bb6500dd3cb4bf5361eeaab7ece15e0b19 100644
--- a/clang/lib/Frontend/CacheTokens.cpp
+++ b/clang/lib/Frontend/CacheTokens.cpp
@@ -562,13 +562,13 @@ void clang::CacheTokens(Preprocessor &PP, llvm::raw_fd_ostream* OS) {
 
 //===----------------------------------------------------------------------===//
 
+namespace {
 class PTHIdKey {
 public:
   const IdentifierInfo* II;
   uint32_t FileOffset;
 };
 
-namespace {
 class PTHIdentifierTableTrait {
 public:
   typedef PTHIdKey* key_type;