[Bug libstdc++/12365] New: include/g++/bits/demangle.h:155: warning: unused parameter 'cv_qualifier'

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

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http://gcc.gnu.org/bugzilla/show_bug.cgi?id=12365

           Summary: include/g++/bits/demangle.h:155: warning: unused
                    parameter 'cv_qualifier'
           Product: gcc
           Version: 3.4
            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

Current CVS mainline GCC is reject test.cc with command-line:
g++ -Wall -Wextra -Werror -o test.o -c test.cc
with error message:
/home/wanderer/pkg/gcc/include/g++/bits/demangle.h: In constructor 
`__gnu_cxx::demangler::qualifier<Allocator>::qualifier(int, 
__gnu_cxx::demangler::cv_qualifier_nt, const char*, int, int) [with Allocator 
= std::allocator<char>]':
/home/wanderer/pkg/gcc/include/g++/bits/demangle.h:155: warning: unused 
parameter 'cv_qualifier'