ManagedStatic: remove from ASTMatchersInternal.h

[efriedma]

LGTM

clang/include/clang/ASTMatchers/ASTMatchersInternal.h

 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 #include "llvm/ADT/None.h"
 #include "llvm/ADT/Optional.h"
 #include "llvm/ADT/STLExtras.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/ADT/iterator.h"
 #include "llvm/Support/Casting.h"
-#include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Regex.h"
 #include <algorithm>
 #include <cassert>
 #include <cstddef>
 #include <cstdint>
 #include <map>
 #include <memory>
 #include <string>
template <typename Matcher, Matcher (*Func)()> class MemoizedMatcher {
   struct Wrapper {
     Wrapper() : M(Func()) {}
 
     Matcher M;
   };
 
 public:
   static const Matcher &getInstance() {
-    static llvm::ManagedStatic<Wrapper> Instance;
-    return Instance->M;
+    static Wrapper Instance;
+    return Instance.M;
   }
 };
 
 // Define the create() method out of line to silence a GCC warning about
 // the struct "Func" having greater visibility than its base, which comes from
 // using the flag -fvisibility-inlines-hidden.
 template <typename InnerTBase, template <typename OuterT> class Getter,
           template <typename OuterT> class MatcherImpl, typename ReturnTypesF>

clang/lib/ASTMatchers/ASTMatchersInternal.cpp

 #include "llvm/ADT/ArrayRef.h"
 #include "llvm/ADT/IntrusiveRefCntPtr.h"
 #include "llvm/ADT/None.h"
 #include "llvm/ADT/SmallString.h"
 #include "llvm/ADT/SmallVector.h"
 #include "llvm/ADT/StringRef.h"
 #include "llvm/Support/Casting.h"
 #include "llvm/Support/ErrorHandling.h"
-#include "llvm/Support/ManagedStatic.h"
 #include "llvm/Support/Regex.h"
 #include "llvm/Support/WithColor.h"
 #include "llvm/Support/raw_ostream.h"
 #include <algorithm>
 #include <cassert>
 #include <cstddef>
 #include <string>
 #include <utility>