LWG 1323

git-svn-id: https://llvm.org/svn/llvm-project/libcxx/trunk@119560 91177308-0d34-0410-b5e6-96231b3b80d8

include/string

@@ -200,13 +200,13 @@ public:
     basic_string& replace(size_type pos, size_type n1, const_pointer s, size_type n2);
     basic_string& replace(size_type pos, size_type n1, const_pointer s);
     basic_string& replace(size_type pos, size_type n1, size_type n2, value_type c);
-    basic_string& replace(iterator i1, iterator i2, const basic_string& str);
-    basic_string& replace(iterator i1, iterator i2, const_pointer s, size_type n);
-    basic_string& replace(iterator i1, iterator i2, const_pointer s);
-    basic_string& replace(iterator i1, iterator i2, size_type n, value_type c);
+    basic_string& replace(const_iterator i1, const_iterator i2, const basic_string& str);
+    basic_string& replace(const_iterator i1, const_iterator i2, const_pointer s, size_type n);
+    basic_string& replace(const_iterator i1, const_iterator i2, const_pointer s);
+    basic_string& replace(const_iterator i1, const_iterator i2, size_type n, value_type c);
     template<class InputIterator>
-        basic_string& replace(iterator i1, iterator i2, InputIterator j1, InputIterator j2);
-    basic_string& replace(iterator i1, iterator i2, initializer_list<value_type>);
+        basic_string& replace(const_iterator i1, const_iterator i2, InputIterator j1, InputIterator j2);
+    basic_string& replace(const_iterator i1, const_iterator i2, initializer_list<value_type>);
 
     size_type copy(pointer s, size_type n, size_type pos = 0) const;
     basic_string substr(size_type pos = 0, size_type n = npos) const;
@@ -1198,19 +1198,19 @@ public:
     basic_string& replace(size_type __pos, size_type __n1, const_pointer __s, size_type __n2);
     basic_string& replace(size_type __pos, size_type __n1, const_pointer __s);
     basic_string& replace(size_type __pos, size_type __n1, size_type __n2, value_type __c);
-    basic_string& replace(iterator __i1, iterator __i2, const basic_string& __str);
-    basic_string& replace(iterator __i1, iterator __i2, const_pointer __s, size_type __n);
-    basic_string& replace(iterator __i1, iterator __i2, const_pointer __s);
-    basic_string& replace(iterator __i1, iterator __i2, size_type __n, value_type __c);
+    basic_string& replace(const_iterator __i1, const_iterator __i2, const basic_string& __str);
+    basic_string& replace(const_iterator __i1, const_iterator __i2, const_pointer __s, size_type __n);
+    basic_string& replace(const_iterator __i1, const_iterator __i2, const_pointer __s);
+    basic_string& replace(const_iterator __i1, const_iterator __i2, size_type __n, value_type __c);
     template<class _InputIterator>
         typename enable_if
         <
             __is_input_iterator<_InputIterator>::value,
             basic_string&
         >::type
-        replace(iterator __i1, iterator __i2, _InputIterator __j1, _InputIterator __j2);
+        replace(const_iterator __i1, const_iterator __i2, _InputIterator __j1, _InputIterator __j2);
     _LIBCPP_INLINE_VISIBILITY
-    basic_string& replace(iterator __i1, iterator __i2, initializer_list<value_type> __il)
+    basic_string& replace(const_iterator __i1, const_iterator __i2, initializer_list<value_type> __il)
         {return replace(__i1, __i2, __il.begin(), __il.end());}
 
     size_type copy(pointer __s, size_type __n, size_type __pos = 0) const;
@@ -2400,7 +2400,7 @@ typename enable_if
     __is_input_iterator<_InputIterator>::value,
     basic_string<_CharT, _Traits, _Allocator>&
 >::type
-basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2,
+basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2,
                                                    _InputIterator __j1, _InputIterator __j2)
 {
     for (; true; ++__i1, ++__j1)
@@ -2416,7 +2416,7 @@ basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2,
             erase(__i1, __i2);
             break;
         }
-        traits_type::assign(*__i1, *__j1);
+        traits_type::assign(const_cast<value_type&>(*__i1), *__j1);
     }
     return *this;
 }
@@ -2453,7 +2453,7 @@ basic_string<_CharT, _Traits, _Allocator>::replace(size_type __pos, size_type __
 template <class _CharT, class _Traits, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 basic_string<_CharT, _Traits, _Allocator>&
-basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2, const basic_string& __str)
+basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const basic_string& __str)
 {
     return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1),
                    __str.data(), __str.size());
@@ -2462,7 +2462,7 @@ basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2,
 template <class _CharT, class _Traits, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 basic_string<_CharT, _Traits, _Allocator>&
-basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2, const_pointer __s, size_type __n)
+basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const_pointer __s, size_type __n)
 {
     return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __s, __n);
 }
@@ -2470,7 +2470,7 @@ basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2,
 template <class _CharT, class _Traits, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 basic_string<_CharT, _Traits, _Allocator>&
-basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2, const_pointer __s)
+basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, const_pointer __s)
 {
     return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __s);
 }
@@ -2478,7 +2478,7 @@ basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2,
 template <class _CharT, class _Traits, class _Allocator>
 _LIBCPP_INLINE_VISIBILITY inline
 basic_string<_CharT, _Traits, _Allocator>&
-basic_string<_CharT, _Traits, _Allocator>::replace(iterator __i1, iterator __i2, size_type __n, value_type __c)
+basic_string<_CharT, _Traits, _Allocator>::replace(const_iterator __i1, const_iterator __i2, size_type __n, value_type __c)
 {
     return replace(static_cast<size_type>(__i1 - begin()), static_cast<size_type>(__i2 - __i1), __n, __c);
 }
@@ -3719,12 +3719,12 @@ extern template
 extern template
     enable_if<__is_input_iterator<char const*>::value, string&>::type
     string::
-    replace<char const*>(string::iterator, string::iterator, char const*, char const*);
+    replace<char const*>(string::const_iterator, string::const_iterator, char const*, char const*);
 
 extern template
     enable_if<__is_input_iterator<wchar_t const*>::value, wstring&>::type
     wstring::
-    replace<wchar_t const*>(wstring::iterator, wstring::iterator, wchar_t const*, wchar_t const*);
+    replace<wchar_t const*>(wstring::const_iterator, wstring::const_iterator, wchar_t const*, wchar_t const*);
 
 extern template
     enable_if<__is_forward_iterator<wchar_t*>::value, wstring&>::type