hashtable_policy.h (struct _Ebo_helper<>): Don't use _N, badname on Solaris;…

hashtable_policy.h (struct _Ebo_helper<>): Don't use _N, badname on Solaris; minor stylistic changes.

2011-12-29  Paolo Carlini  <paolo.carlini@oracle.com>

	* include/bits/hashtable_policy.h (struct _Ebo_helper<>): Don't use
	_N, badname on Solaris; minor stylistic changes.

From-SVN: r182734

libstdc++-v3/ChangeLog

+2011-12-29  Paolo Carlini  <paolo.carlini@oracle.com>
+
+	* include/bits/hashtable_policy.h (struct _Ebo_helper<>): Don't use
+	_N, badname on Solaris; minor stylistic changes.
+
 2011-12-29  François Dumont <fdumont@gcc.gnu.org>
 
 	PR libstdc++/51608

libstdc++-v3/include/bits/hashtable_policy.h

@@ -515,45 +515,45 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
 
   // Helper class using EBO when it is not forbidden, type is not final,
   // and when it worth it, type is empty.
-  template<int _N, typename _Tp,
+  template<int _Nm, typename _Tp,
 	   bool __use_ebo = !__is_final(_Tp) && __is_empty(_Tp)>
     struct _Ebo_helper;
 
-  // Specialization using EBO
-  template<int _N, typename _Tp>
-    struct _Ebo_helper<_N, _Tp, true> : _Tp
+  // Specialization using EBO.
+  template<int _Nm, typename _Tp>
+    struct _Ebo_helper<_Nm, _Tp, true> : _Tp
     {
       _Ebo_helper() = default;
       _Ebo_helper(const _Tp& __tp) : _Tp(__tp)
       { }
 
       static const _Tp&
-      _S_cget(const _Ebo_helper<_N, _Tp, true>& __eboh)
+      _S_cget(const _Ebo_helper& __eboh)
       { return static_cast<const _Tp&>(__eboh); }
 
       static _Tp&
-      _S_get(_Ebo_helper<_N, _Tp, true>& __eboh)
+      _S_get(_Ebo_helper& __eboh)
       { return static_cast<_Tp&>(__eboh); }
     };
 
-  // Specialization not using EBO
-  template<int _N, typename _Tp>
-    struct _Ebo_helper<_N, _Tp, false>
+  // Specialization not using EBO.
+  template<int _Nm, typename _Tp>
+    struct _Ebo_helper<_Nm, _Tp, false>
     {
       _Ebo_helper() = default;
-      _Ebo_helper(const _Tp& __tp) : m_tp(__tp)
+      _Ebo_helper(const _Tp& __tp) : __m_tp(__tp)
       { }
 
       static const _Tp&
-      _S_cget(const _Ebo_helper<_N, _Tp, false>& __eboh)
-      { return __eboh.m_tp; }
+      _S_cget(const _Ebo_helper& __eboh)
+      { return __eboh.__m_tp; }
 
       static _Tp&
-      _S_get(_Ebo_helper<_N, _Tp, false>& __eboh)
-      { return __eboh.m_tp; }
+      _S_get(_Ebo_helper& __eboh)
+      { return __eboh.__m_tp; }
 
     private:
-      _Tp m_tp;
+      _Tp __m_tp;
     };
 
   // Class template _Hash_code_base.  Encapsulates two policy issues that