[clang][AST] Fix `-Wuninitialized`. NFC

- Adjust the declaration order as non-static member are initialized in
  order of declaration in the class definition.

diff --git a/clang/lib/AST/MicrosoftMangle.cpp b/clang/lib/AST/MicrosoftMangle.cpp
index d8c837b..e0fd8ab 100644 (file)
--- a/clang/lib/AST/MicrosoftMangle.cpp
+++ b/clang/lib/AST/MicrosoftMangle.cpp
@@ -327,8 +327,8 @@ class MicrosoftCXXNameMangler {
 
   typedef llvm::DenseMap<const void *, StringRef> TemplateArgStringMap;
   TemplateArgStringMap TemplateArgStrings;
-  llvm::StringSaver TemplateArgStringStorage;
   llvm::BumpPtrAllocator TemplateArgStringStorageAlloc;
+  llvm::StringSaver TemplateArgStringStorage;
 
   typedef std::set<std::pair<int, bool>> PassObjectSizeArgsSet;
   PassObjectSizeArgsSet PassObjectSizeArgs;