libstdc++/8840: 3.2.1: sort (v.begin (), v.end (), loc) dumps core

[franz.gans.entenhausen@t-online.de]

>Number:         8840
>Category:       libstdc++
>Synopsis:       3.2.1: sort (v.begin (), v.end (), loc) dumps core
>Confidential:   no
>Severity:       serious
>Priority:       medium
>Responsible:    unassigned
>State:          open
>Class:          sw-bug
>Submitter-Id:   net
>Arrival-Date:   Fri Dec 06 03:16:02 PST 2002
>Closed-Date:
>Last-Modified:
>Originator:     Franz Gans
>Release:        unknown-1.0
>Organization:
>Environment:
SuSE Linux 7.3
Linux xxxxxx 2.4.16-4GB #1 Mit Okt 30 14:20:02 CET 2002 i686 unknown
gcc -v
Reading specs from /usr5/xhome/softw1/install-3.2.1/lib/gcc-lib/i686-pc-linux-gn
u/3.2.1/specs
Configured with: ../gcc-3.2.1/configure --prefix=/usr5/xhome/softw1/install-3.2.1 --enable-threads --enable-shared
Thread model: posix
gcc version 3.2.1
>Description:
With a german locale (de_DE) the letters "mpö" are sorted as 'm', 'ö' (like oe) and 'p'. bcc32 gives the correct result. gcc 3.2.1 gives a segmentation violation while gcc 3.2 seems to simply ignore any
locale setting. In a gdb session one sees

Program received signal SIGSEGV, Segmentation fault.
0x4017f031 in __strcoll_l () from /lib/libc.so.6
(gdb) bt
#0  0x4017f031 in __strcoll_l () from /lib/libc.so.6
#1  0x4009eb20 in std::collate<char>::_M_compare(char const*, char const*) const
 (this=0x0, __one=0x0, __two=0x0) at collate_members.cc:47
#2  0x4007d990 in std::collate<char>::do_compare(char const*, char const*, char
const*, char const*) const (this=0x0, __lo1=0x0, __hi1=0x0, __lo2=0x0,
    __hi2=0x0)
    at /usr5/xhome/softw1/build/objdir-3.2.1/i686-pc-linux-gnu/libstdc++-v3/incl
ude/bits/basic_string.h:781
#3  0x08049d10 in bool std::locale::operator()<char, std::char_traits<char>, std
::allocator<char> >(std::basic_string<char, std::char_traits<char>, std::allocat
or<char> > const&, std::basic_string<char, std::char_traits<char>, std::allocato
r<char> > const&) const (this=0x0, __s1=@0x0, __s2=@0x0)
    at /usr5/xhome/softw1/install-3.2.1/include/c++/3.2.1/bits/locale_facets.h:8
58
#4  0x08049d6b in void std::__insertion_sort<__gnu_cxx::__normal_iterator<std::s
tring*, std::vector<std::string, std::allocator<std::string> > >, std::locale>(_
_gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::allocato
r<std::string> > >, __gnu_cxx::__normal_iterator<std::string*, std::vector<std::
string, std::allocator<std::string> > >, std::locale) (__first=
      {<iterator<std::random_access_iterator_tag,std::basic_string<char, std::ch
ar_traits<char>, std::allocator<char> >,int,std::basic_string<char, std::char_tr
aits<char>, std::allocator<char> >*,std::basic_string<char, std::char_traits<cha
r>, std::allocator<char> >&>> = {<No data fields>}, _M_current = 0x804f944},
    __last=
      {<iterator<std::random_access_iterator_tag,std::basic_string<char, std::ch
ar_traits<char>, std::allocator<char> >,int,std::basic_string<char, std::char_tr
aits<char>, std::allocator<char> >*,std::basic_string<char, std::char_traits<cha
r>, std::allocator<char> >&>> = {<No data fields>}, _M_current = 0x804f924},
    __comp=Internal: global symbol `_ZNSt6locale4noneE' found in ../../../../gcc
-3.2.1/libstdc++-v3/src/locale.cc psymtab but not in symtab.
_ZNSt6locale4noneE may be an inlined function, or may be a template function
(if a template, try specifying an instantiation: _ZNSt6locale4noneE<type>).
)
    at /usr5/xhome/softw1/install-3.2.1/include/c++/3.2.1/bits/stl_iterator.h:59
3
#5  0x080498d5 in void std::__final_insertion_sort<__gnu_cxx::__normal_iterator<
std::string*, std::vector<std::string, std::allocator<std::string> > >, std::loc
ale>(__gnu_cxx::__normal_iterator<std::string*, std::vector<std::string, std::al
locator<std::string> > >, __gnu_cxx::__normal_iterator<std::string*, std::vector
<std::string, std::allocator<std::string> > >, std::locale) (__first=
      {<iterator<std::random_access_iterator_tag,std::basic_string<char, std::ch
ar_traits<char>, std::allocator<char> >,int,std::basic_string<char, std::char_tr
aits<char>, std::allocator<char> >*,std::basic_string<char, std::char_traits<cha
r>, std::allocator<char> >&>> = {<No data fields>}, _M_current = 0xbffff400},
    __last=
      {<iterator<std::random_access_iterator_tag,std::basic_string<char, std::ch
ar_traits<char>, std::allocator<char> >,int,std::basic_string<char, std::char_tr
aits<char>, std::allocator<char> >*,std::basic_string<char, std::char_traits<cha
r>, std::allocator<char> >&>> = {<No data fields>}, _M_current = 0x804f944},
    __comp=Cannot access memory at address 0x0
)
    at /usr5/xhome/softw1/install-3.2.1/include/c++/3.2.1/bits/stl_algo.h:2079
#6  0x0804909f in main ()
    at /usr5/xhome/softw1/install-3.2.1/include/c++/3.2.1/bits/stl_algo.h:2210
#7  0x4011f7ee in __libc_start_main () from /lib/libc.so.6
>How-To-Repeat:
g++ -O -g locale-sort-bug-3.2.1.cc   [fails even w/o -O and -g]
a.out
>Fix:

>Release-Note:
>Audit-Trail:
>Unformatted:
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