[Bug libstdc++/13976] New: ext/new_allocator.h:81: warning: unused parameter '__h'

["wanderer at rsu dot ru" <gcc-bugzilla at gcc dot gnu dot org>]

When i compile test.cc (or test.ii) file with options
g++ -Wall -Wextra -fno-inline -o test.o -c test.cc 
i recieve output:

----8X-----------------------------------------------------------
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h: In member function 
`void __gnu_cxx::new_allocator<_Tp>::deallocate(_Tp*, size_t) [with _Tp = 
int]':
/home/wanderer/pkg/gcc/include/g++/bits/stl_vector.h:110:   instantiated from 
`void __gnu_norm::_Vector_base<_Tp, _Alloc>::_M_deallocate(_Tp*, size_t) [with 
_Tp = int, _Alloc = std::allocator<int>]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_vector.h:97:   instantiated from 
`__gnu_norm::_Vector_base<_Tp, _Alloc>::~_Vector_base() [with _Tp = int, 
_Alloc = std::allocator<int>]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_vector.h:177:   instantiated from 
`__gnu_norm::vector<_Tp, _Alloc>::vector(const typename 
__gnu_norm::_Vector_base<_Tp, _Alloc>::allocator_type&) [with _Tp = int, 
_Alloc = std::allocator<int>]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_map.h:339:   instantiated from 
`_Tp& __gnu_norm::map<_Key, _Tp, _Compare, _Alloc>::operator[](const _Key&) 
[with _Key = int, _Tp = __gnu_norm::vector<int, std::allocator<int> >, 
_Compare = std::less<int>, _Alloc = std::allocator<std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > > >]'
test.cc:5:   instantiated from here
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h:86: warning: unused 
parameter '__n'
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h: In member function 
`_Tp* __gnu_cxx::new_allocator<_Tp>::allocate(size_t, const void*) [with _Tp = 
int]':
/home/wanderer/pkg/gcc/include/g++/bits/stl_vector.h:106:   instantiated from 
`_Tp* __gnu_norm::_Vector_base<_Tp, _Alloc>::_M_allocate(size_t) [with _Tp = 
int, _Alloc = std::allocator<int>]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_vector.h:91:   instantiated from 
`__gnu_norm::_Vector_base<_Tp, _Alloc>::_Vector_base(size_t, const _Alloc&) 
[with _Tp = int, _Alloc = std::allocator<int>]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_vector.h:216:   instantiated from 
`__gnu_norm::vector<_Tp, _Alloc>::vector(const __gnu_norm::vector<_Tp, 
_Alloc>&) [with _Tp = int, _Alloc = std::allocator<int>]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_map.h:339:   instantiated from 
`_Tp& __gnu_norm::map<_Key, _Tp, _Compare, _Alloc>::operator[](const _Key&) 
[with _Key = int, _Tp = __gnu_norm::vector<int, std::allocator<int> >, 
_Compare = std::less<int>, _Alloc = std::allocator<std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > > >]'
test.cc:5:   instantiated from here
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h:81: warning: unused 
parameter '__h'
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h: In member function 
`void __gnu_cxx::new_allocator<_Tp>::deallocate(_Tp*, size_t) [with _Tp = 
std::_Rb_tree_node<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]':
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:361:   instantiated from 
`void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_put_node
(std::_Rb_tree_node<_Val>*) [with _Key = int, _Val = std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > >, _KeyOfValue = 
std::_Select1st<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >, _Compare = std::less<int>, _Alloc = 
std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:391:   instantiated from 
`void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::destroy_node
(std::_Rb_tree_node<_Val>*) [with _Key = int, _Val = std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > >, _KeyOfValue = 
std::_Select1st<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >, _Compare = std::less<int>, _Alloc = 
std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:1046:   instantiated from 
`void std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_erase
(std::_Rb_tree_node<_Val>*) [with _Key = int, _Val = std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > >, _KeyOfValue = 
std::_Select1st<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >, _Compare = std::less<int>, _Alloc = 
std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:542:   instantiated from 
`std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::~_Rb_tree() [with 
_Key = int, _Val = std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > >, _KeyOfValue = std::_Select1st<std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > > >, _Compare = std::less<int>, 
_Alloc = std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
test.cc:9:   instantiated from here
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h:86: warning: unused 
parameter '__n'
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h: In member function 
`_Tp* __gnu_cxx::new_allocator<_Tp>::allocate(size_t, const void*) [with _Tp = 
std::_Rb_tree_node<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]':
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:357:   instantiated from 
`std::_Rb_tree_node<_Val>* std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, 
_Alloc>::_M_get_node() [with _Key = int, _Val = std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > >, _KeyOfValue = 
std::_Select1st<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >, _Compare = std::less<int>, _Alloc = 
std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:366:   instantiated from 
`std::_Rb_tree_node<_Val>* std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, 
_Alloc>::_M_create_node(const _Val&) [with _Key = int, _Val = std::pair<const 
int, __gnu_norm::vector<int, std::allocator<int> > >, _KeyOfValue = 
std::_Select1st<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >, _Compare = std::less<int>, _Alloc = 
std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:769:   instantiated from 
`typename std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator 
std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::_M_insert
(std::_Rb_tree_node_base*, std::_Rb_tree_node_base*, const _Val&) [with _Key = 
int, _Val = std::pair<const int, __gnu_norm::vector<int, std::allocator<int> > 
>, _KeyOfValue = std::_Select1st<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >, _Compare = std::less<int>, _Alloc = 
std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_tree.h:880:   instantiated from 
`typename std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::iterator 
std::_Rb_tree<_Key, _Val, _KeyOfValue, _Compare, _Alloc>::insert_unique
(std::_Rb_tree_iterator<_Val>, const _Val&) [with _Key = int, _Val = 
std::pair<const int, __gnu_norm::vector<int, std::allocator<int> > >, 
_KeyOfValue = std::_Select1st<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >, _Compare = std::less<int>, _Alloc = 
std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_map.h:384:   instantiated from 
`typename std::_Rb_tree<_Key, std::pair<const _Key, _Tp>, 
std::_Select1st<std::pair<const _Key, _Tp> >, _Compare, _Alloc>::iterator 
__gnu_norm::map<_Key, _Tp, _Compare, _Alloc>::insert(typename 
std::_Rb_tree<_Key, std::pair<const _Key, _Tp>, 
std::_Select1st<std::pair<const _Key, _Tp> >, _Compare, _Alloc>::iterator, 
const std::pair<const _Key, _Tp>&) [with _Key = int, _Tp = 
__gnu_norm::vector<int, std::allocator<int> >, _Compare = std::less<int>, 
_Alloc = std::allocator<std::pair<const int, __gnu_norm::vector<int, 
std::allocator<int> > > >]'
/home/wanderer/pkg/gcc/include/g++/bits/stl_map.h:339:   instantiated from 
`_Tp& __gnu_norm::map<_Key, _Tp, _Compare, _Alloc>::operator[](const _Key&) 
[with _Key = int, _Tp = __gnu_norm::vector<int, std::allocator<int> >, 
_Compare = std::less<int>, _Alloc = std::allocator<std::pair<const int, 
__gnu_norm::vector<int, std::allocator<int> > > >]'
test.cc:5:   instantiated from here
/home/wanderer/pkg/gcc/include/g++/ext/new_allocator.h:81: warning: unused 
parameter '__h'
----X8-----------------------------------------------------------

-- 
           Summary: ext/new_allocator.h:81: warning: unused parameter '__h'
           Product: gcc
           Version: 3.5.0
            Status: UNCONFIRMED
          Severity: normal
          Priority: P2
         Component: libstdc++
        AssignedTo: unassigned at gcc dot gnu dot org
        ReportedBy: wanderer at rsu dot ru
                CC: gcc-bugs at gcc dot gnu dot org
 GCC build triplet: i386-unknown-freebsd5.1
  GCC host triplet: i386-unknown-freebsd5.1
GCC target triplet: i386-unknown-freebsd5.1


http://gcc.gnu.org/bugzilla/show_bug.cgi?id=13976