Protect SmallVectorImpl's constructor and a few other methods that aren't meant to be public.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@148550 91177308-0d34-0410-b5e6-96231b3b80d8

include/llvm/ADT/SmallVector.h

@@ -100,10 +100,10 @@ public:
 template <typename T>
 class SmallVectorTemplateCommon : public SmallVectorBase {
 protected:
-  void setEnd(T *P) { this->EndX = P; }
-public:
   SmallVectorTemplateCommon(size_t Size) : SmallVectorBase(Size) {}
 
+  void setEnd(T *P) { this->EndX = P; }
+public:
   typedef size_t size_type;
   typedef ptrdiff_t difference_type;
   typedef T value_type;
@@ -174,7 +174,7 @@ public:
 /// implementations that are designed to work with non-POD-like T's.
 template <typename T, bool isPodLike>
 class SmallVectorTemplateBase : public SmallVectorTemplateCommon<T> {
-public:
+protected:
   SmallVectorTemplateBase(size_t Size) : SmallVectorTemplateCommon<T>(Size) {}
 
   static void destroy_range(T *S, T *E) {
@@ -226,7 +226,7 @@ void SmallVectorTemplateBase<T, isPodLike>::grow(size_t MinSize) {
 /// implementations that are designed to work with POD-like T's.
 template <typename T>
 class SmallVectorTemplateBase<T, true> : public SmallVectorTemplateCommon<T> {
-public:
+protected:
   SmallVectorTemplateBase(size_t Size) : SmallVectorTemplateCommon<T>(Size) {}
 
   // No need to do a destroy loop for POD's.
@@ -270,11 +270,13 @@ public:
   typedef typename SuperClass::iterator iterator;
   typedef typename SuperClass::size_type size_type;
 
+protected:
   // Default ctor - Initialize to empty.
   explicit SmallVectorImpl(unsigned N)
     : SmallVectorTemplateBase<T, isPodLike<T>::value>(N*sizeof(T)) {
   }
 
+public:
   ~SmallVectorImpl() {
     // Destroy the constructed elements in the vector.
     this->destroy_range(this->begin(), this->end());