1 files changed, 20 insertions, 29 deletions

diff --git a/contrib/llvm/tools/clang/include/clang/AST/ASTVector.h b/contrib/llvm/tools/clang/include/clang/AST/ASTVector.h
index 6db918e..d92167e 100644
--- a/contrib/llvm/tools/clang/include/clang/AST/ASTVector.h
+++ b/contrib/llvm/tools/clang/include/clang/AST/ASTVector.h
@@ -26,30 +26,6 @@
 #include <cstring>
 #include <memory>
 
-#ifdef _MSC_VER
-namespace std {
-#if _MSC_VER <= 1310
-  // Work around flawed VC++ implementation of std::uninitialized_copy.  Define
-  // additional overloads so that elements with pointer types are recognized as
-  // scalars and not objects, causing bizarre type conversion errors.
-  template<class T1, class T2>
-  inline _Scalar_ptr_iterator_tag _Ptr_cat(T1 **, T2 **) {
-    _Scalar_ptr_iterator_tag _Cat;
-    return _Cat;
-  }
-
-  template<class T1, class T2>
-  inline _Scalar_ptr_iterator_tag _Ptr_cat(T1* const *, T2 **) {
-    _Scalar_ptr_iterator_tag _Cat;
-    return _Cat;
-  }
-#else
-  // FIXME: It is not clear if the problem is fixed in VS 2005.  What is clear
-  // is that the above hack won't work if it wasn't fixed.
-#endif
-}
-#endif
-
 namespace clang {
   class ASTContext;
 
@@ -69,15 +45,30 @@ protected:
 
 public:
   // Default ctor - Initialize to empty.
-  ASTVector() : Begin(0), End(0), Capacity(0, false) {}
+  ASTVector() : Begin(nullptr), End(nullptr), Capacity(nullptr, false) {}
+
+  ASTVector(ASTVector &&O) : Begin(O.Begin), End(O.End), Capacity(O.Capacity) {
+    O.Begin = O.End = nullptr;
+    O.Capacity.setPointer(nullptr);
+    O.Capacity.setInt(false);
+  }
 
   ASTVector(const ASTContext &C, unsigned N)
-      : Begin(0), End(0), Capacity(0, false) {
+      : Begin(nullptr), End(nullptr), Capacity(nullptr, false) {
     reserve(C, N);
   }
 
+  ASTVector &operator=(ASTVector &&RHS) {
+    ASTVector O(std::move(RHS));
+    using std::swap;
+    swap(Begin, O.Begin);
+    swap(End, O.End);
+    swap(Capacity, O.Capacity);
+    return *this;
+  }
+
   ~ASTVector() {
-    if (llvm::is_class<T>::value) {
+    if (std::is_class<T>::value) {
       // Destroy the constructed elements in the vector.
       destroy_range(Begin, End);
     }
@@ -147,7 +138,7 @@ public:
   }
 
   void clear() {
-    if (llvm::is_class<T>::value) {
+    if (std::is_class<T>::value) {
       destroy_range(Begin, End);
     }
     End = Begin;
@@ -392,7 +383,7 @@ void ASTVector<T>::grow(const ASTContext &C, size_t MinSize) {
   T *NewElts = new (C, llvm::alignOf<T>()) T[NewCapacity];
 
   // Copy the elements over.
-  if (llvm::is_class<T>::value) {
+  if (std::is_class<T>::value) {
     std::uninitialized_copy(Begin, End, NewElts);
     // Destroy the original elements.
     destroy_range(Begin, End);