Add initializer_list support as per N2679.

        * include/debug/unordered_map: Add initializer_list support.
        * include/debug/safe_association.h: Likewise.
        * include/debug/unordered_set: Likewise.
        * include/debug/vector: Likewise.
        * include/debug/deque: Likewise.
        * include/debug/map.h: Likewise.
        * include/debug/set.h: Likewise.
        * include/debug/string: Likewise.
        * include/debug/list: Likewise.
        * include/debug/multimap.h: Likewise.
        * include/tr1_impl/unordered_map: Likewise.
        * include/tr1_impl/hashtable: Likewise.
        * include/tr1_impl/unordered_set: Likewise.
        * include/tr1_impl/regex: Likewise.
        * include/std/valarray: Likewise.
        * include/std/unordered_map: Likewise.
        * include/std/unordered_set: Likewise.
        * include/bits/stl_list.h: Likewise.
        * include/bits/stl_map.h: Likewise.
        * include/bits/stl_set.h: Likewise.
        * include/bits/basic_string.h: Likewise.
        * include/bits/basic_string.tcc: Likewise.
        * include/bits/stl_multimap.h: Likewise.
        * include/bits/stl_vector.h: Likewise.
        * include/bits/stl_deque.h: Likewise.
        * include/bits/stl_multiset.h: Likewise.
        * include/bits/stl_bvector.h: Likewise.
        * include/ext/vstring.h: Likewise.
        * include/ext/rc_string_base.h: Likewise.
        * include/ext/sso_string_base.h: Likewise.
        * src/Makefile.am (w?string-inst): Build with -std=gnu++0x.
        * src/Makefile.in: Likewise.
        * config/abi/pre/gnu.ver: Add new w?string exports.
...

From-SVN: r138043

3 files changed, 92 insertions, 1 deletions

diff --git a/libstdc++-v3/include/ext/rc_string_base.h b/libstdc++-v3/include/ext/rc_string_base.h
index 0d3224c..82c614c 100644
--- a/libstdc++-v3/include/ext/rc_string_base.h
+++ b/libstdc++-v3/include/ext/rc_string_base.h
@@ -308,7 +308,10 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 #ifdef __GXX_EXPERIMENTAL_CXX0X__
       __rc_string_base(__rc_string_base&& __rcs)
       : _M_dataplus(__rcs._M_get_allocator(), __rcs._M_data())
-      { __rcs._M_data(_S_empty_rep._M_refcopy()); }      
+      { __rcs._M_data(_S_empty_rep._M_refcopy()); }
+
+      __rc_string_base(std::initializer_list<_CharT> __l, const _Alloc& __a)
+      : _M_dataplus(__a, _S_construct(__l.begin(), __l.end(), __a)) { }
 #endif
 
       __rc_string_base(size_type __n, _CharT __c, const _Alloc& __a);
diff --git a/libstdc++-v3/include/ext/sso_string_base.h b/libstdc++-v3/include/ext/sso_string_base.h
index 9c8c1bc..3335818 100644
--- a/libstdc++-v3/include/ext/sso_string_base.h
+++ b/libstdc++-v3/include/ext/sso_string_base.h
@@ -184,6 +184,10 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 
 #ifdef __GXX_EXPERIMENTAL_CXX0X__
       __sso_string_base(__sso_string_base&& __rcs);
+
+      __sso_string_base(std::initializer_list<_CharT> __l, const _Alloc& __a)
+      : _M_dataplus(__a, _M_local_data)
+      { _M_construct(__l.begin(), __l.end()); }
 #endif
 
       __sso_string_base(size_type __n, _CharT __c, const _Alloc& __a);
diff --git a/libstdc++-v3/include/ext/vstring.h b/libstdc++-v3/include/ext/vstring.h
index 0e74bfa..6002b19 100644
--- a/libstdc++-v3/include/ext/vstring.h
+++ b/libstdc++-v3/include/ext/vstring.h
@@ -36,6 +36,7 @@
 
 #pragma GCC system_header
 
+#include <initializer_list>
 #include <ext/vstring_util.h>
 #include <ext/rc_string_base.h>
 #include <ext/sso_string_base.h>
@@ -156,6 +157,14 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
        */
       __versa_string(__versa_string&& __str)
       : __vstring_base(std::forward<__vstring_base>(__str)) { }
+
+      /**
+       *  @brief  Construct string from an initializer list.
+       *  @param  l  std::initializer_list of characters.
+       *  @param  a  Allocator to use (default is default allocator).
+       */
+      __versa_string(std::initializer_list<_CharT> __l, const _Alloc& __a = _Alloc())
+	: __vstring_base(__l, __a) { }
 #endif
 
       /**
@@ -257,6 +266,17 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 	  this->swap(__str);
 	return *this;
       }
+
+      /**
+       *  @brief  Set value to string constructed from initializer list.
+       *  @param  l  std::initializer_list.
+       */
+      __versa_string&
+      operator=(std::initializer_list<_CharT> __l)
+      {
+	this->assign (__l.begin(), __l.end());
+	return *this;
+      }
 #endif
 
       /**
@@ -623,6 +643,17 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 	return *this;
       }
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      /**
+       *  @brief  Append an initializer_list of characters.
+       *  @param l  The initializer_list of characters to be appended.
+       *  @return  Reference to this string.
+       */
+      __versa_string&
+      operator+=(std::initializer_list<_CharT> __l)
+      { return this->append(__l.begin(), __l.end()); }
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
       /**
        *  @brief  Append a string to this string.
        *  @param str  The string to append.
@@ -690,6 +721,17 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
       append(size_type __n, _CharT __c)
       { return _M_replace_aux(this->size(), size_type(0), __n, __c); }
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      /**
+       *  @brief  Append an initializer_list of characters.
+       *  @param l  The initializer_list of characters to append.
+       *  @return  Reference to this string.
+       */
+      __versa_string&
+      append(std::initializer_list<_CharT> __l)
+      { return this->append(__l.begin(), __l.end()); }
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
       /**
        *  @brief  Append a range of characters.
        *  @param first  Iterator referencing the first character to append.
@@ -807,6 +849,17 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
         assign(_InputIterator __first, _InputIterator __last)
         { return this->replace(_M_ibegin(), _M_iend(), __first, __last); }
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      /**
+       *  @brief  Set value to an initializer_list of characters.
+       *  @param l  The initializer_list of characters to assign.
+       *  @return  Reference to this string.
+       */
+      __versa_string&
+      assign(std::initializer_list<_CharT> __l)
+      { return this->assign(__l.begin(), __l.end()); }
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
       /**
        *  @brief  Insert multiple characters.
        *  @param p  Iterator referencing location in string to insert at.
@@ -839,6 +892,18 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
         insert(iterator __p, _InputIterator __beg, _InputIterator __end)
         { this->replace(__p, __p, __beg, __end); }
 
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      /**
+       *  @brief  Insert an initializer_list of characters.
+       *  @param p  Iterator referencing location in string to insert at.
+       *  @param l  The initializer_list of characters to insert.
+       *  @throw  std::length_error  If new length exceeds @c max_size().
+       */
+      void
+      insert(iterator __p, std::initializer_list<_CharT> __l)
+      { this->insert(__p, __l.begin(), __l.end()); }
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
       /**
        *  @brief  Insert value of a string.
        *  @param pos1  Iterator referencing location in string to insert at.
@@ -1295,6 +1360,25 @@ _GLIBCXX_BEGIN_NAMESPACE(__gnu_cxx)
 			     __k1.base(), __k2 - __k1);
       }
       
+#ifdef __GXX_EXPERIMENTAL_CXX0X__
+      /**
+       *  @brief  Replace range of characters with initializer_list.
+       *  @param i1  Iterator referencing start of range to replace.
+       *  @param i2  Iterator referencing end of range to replace.
+       *  @param l  The initializer_list of characters to insert.
+       *  @return  Reference to this string.
+       *  @throw  std::length_error  If new length exceeds @c max_size().
+       *
+       *  Removes the characters in the range [i1,i2).  In place, characters
+       *  in the range [k1,k2) are inserted.  If the length of result exceeds
+       *  max_size(), length_error is thrown.  The value of the string doesn't
+       *  change if an error is thrown.
+      */
+      __versa_string& replace(iterator __i1, iterator __i2,
+			      std::initializer_list<_CharT> __l)
+      { return this->replace(__i1, __i2, __l.begin(), __l.end()); }
+#endif // __GXX_EXPERIMENTAL_CXX0X__
+
     private:
       template<class _Integer>
 	__versa_string&