[HP aCC 6.16] SIGABRT in 22.locale.num.get.mt

$ ./22.locale.num.get.mt --nthreads=1 2>&1 | c++filt 
# INFO (S1) (10 lines):
# TEXT: 
# COMPILER: HP aCC, __HP_aCC = 61600, __EDG_VERSION__ = 308
# ENVIRONMENT: ia64 running hp-ux
# FILE: 22.locale.num.get.mt.cpp
# COMPILED: Apr 16 2008, 17:48:24
# COMMENT: thread safety
############################################################

# CLAUSE: lib.locale.num.get

# NOTE (S2) (5 lines):
# TEXT: executing "locale -a > /var/tmp/tmpfile-005971"
# CLAUSE: lib.locale.num.get
# FILE: process.cpp
# LINE: 276

# INFO (S1) (3 lines):
# TEXT: testing std::num_get<charT> with 1 thread, 100000 iterations each, in 32 locales { "C" "POSIX" "C.iso88591" "C.iso885915" "C.utf8" "univ.utf8" "ar_DZ.arabic8" "ar_DZ.utf8" "ar_SA.arabic8" "ar_SA.iso88596" "ar_SA.utf8" "bg_BG.iso88595" "bg_BG.utf8" "zh_CN.gb18030" "zh_CN.hp15CN" "zh_CN.utf8" "zh_HK.hkbig5" "zh_HK.utf8" "zh_TW.big5" "zh_TW.ccdc" "zh_TW.eucTW" "zh_TW.utf8" "cs_CZ.iso88592" "cs_CZ.utf8" "da_DK.iso88591" "da_DK.iso885915@euro" "da_DK.roman8" "da_DK.utf8" "nl_NL.iso88591" "nl_NL.iso885915@euro" "nl_NL.roman8" "nl_NL.utf8" }
# CLAUSE: lib.locale.num.get

# INFO (S1) (3 lines):
# TEXT: exercising std::num_get<char>
# CLAUSE: lib.locale.num.get

/amd/devco/sebor/stdcxx/tests/localization/22.locale.num.get.mt.cpp:245: void test_get_data(const MyNumData &, const std::num_get<charT, std::istreambuf_iterator<_CharT, std::char_traits<_CharT>>> &, const std::istreambuf_iterator<_CharT, _Traits> &, const std::istreambuf_iterator<_CharT, _Traits> &, std::basic_ios<charT, Traits> &) [with charT = char, Traits = std::char_traits<char>]: Assertion '! (state & std::ios_base::failbit)' failed.
(0)  0xc000000006227a90  __rw::__rw_assert_fail(char const*,char const*,int,char const*) + 0x170 at /amd/devco/sebor/stdcxx/src/assert.cpp:103 [/build/sebor/stdcxx-aCC-6.16-15D/lib/libstd15D.sl]
(1)  0x4000000000031c90  void test_get_data<char,std::char_traits<char> >(MyNumData const&,std::num_get<(%0=)char,std::istreambuf_iterator<std::num_get,std::char_traits<std::num_get> > > const&,(%0=)char<std::num_get,(%1=)std::char_traits<char> > const&,std::num_get<(%0=)char,std::istreambuf_iterator<std::num_get,std::char_traits<std::num_get> > > const,std::basic_ios<std::num_get,std::istreambuf_iterator<std::num_get,std::char_traits<std::num_get> > >&) + 0x4e0 at /amd/devco/sebor/stdcxx/tests/localization/22.locale.num.get.mt.cpp:245 [./22.locale.num.get.mt]
(2)  0x4000000000030690  thread_func(void*) + 0x350 at /amd/devco/sebor/stdcxx/tests/localization/22.locale.num.get.mt.cpp:354 [./22.locale.num.get.mt]
(3)  0xc0000000000dfa90  __pthread_bound_body + 0x170 at /ux/core/libs/threadslibs/src/common/pthreads/pthread.c:4871 [/usr/lib/hpux64/libpthread.so.1]