[Bug libstdc++/107580] std::vector parameter cannot be inferred with -D_GLIBCXX_USE_CXX11_ABI=0

[redi at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=107580

Jonathan Wakely <redi at gcc dot gnu.org> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|UNCONFIRMED                 |ASSIGNED
           Assignee|unassigned at gcc dot gnu.org      |redi at gcc dot gnu.org
   Last reconfirmed|                            |2022-11-09
     Ever confirmed|0                           |1

--- Comment #2 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This is actually trivial to fix:

--- a/libstdc++-v3/include/bits/cow_string.h
+++ b/libstdc++-v3/include/bits/cow_string.h
@@ -680,7 +680,12 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
        *  @param  __end  End of range.
        *  @param  __a  Allocator to use (default is default allocator).
        */
-      template<class _InputIterator>
+#if __cplusplus >= 201103L
+      template<typename _InputIterator,
+              typename = std::_RequireInputIter<_InputIterator>>
+#else
+      template<typename _InputIterator>
+#endif
        basic_string(_InputIterator __beg, _InputIterator __end,
                     const _Alloc& __a = _Alloc())
        : _M_dataplus(_S_construct(__beg, __end, __a), __a)