[Bug libstdc++/55917] Impossible to find/debug unhandled exceptions in an std::thread

[yuri.aksenov at gmail dot com]

http://gcc.gnu.org/bugzilla/show_bug.cgi?id=55917

--- Comment #11 from Yuri Aksenov <yuri.aksenov at gmail dot com> ---
> Where is that guaranteed?  Where is it implemented?

And here is stack trace of patched version, it seems to be implemented in
__cxxabiv1::__cxa_throw

(gdb) bt
#0  0x00007ffff703ad25 in __GI_raise (sig=sig@entry=6) at
../nptl/sysdeps/unix/sysv/linux/raise.c:64
#1  0x00007ffff703c1a8 in __GI_abort () at abort.c:91
#2  0x00007ffff791d68d in __gnu_cxx::__verbose_terminate_handler () at
../../../../libstdc++-v3/libsupc++/vterminate.cc:95
#3  0x00007ffff791b796 in __cxxabiv1::__terminate (handler=<optimized out>) at
../../../../libstdc++-v3/libsupc++/eh_terminate.cc:40
#4  0x00007ffff791b7c3 in std::terminate () at
../../../../libstdc++-v3/libsupc++/eh_terminate.cc:50
#5  0x00007ffff791b9ee in __cxxabiv1::__cxa_throw (obj=0x7ffff0000940,
tinfo=<optimized out>, dest=<optimized out>) at
../../../../libstdc++-v3/libsupc++/eh_throw.cc:83
#6  0x00000000004010f2 in f () at main.cpp:5
#7  0x000000000040242d in std::_Bind_simple<void
(*())()>::_M_invoke<>(std::_Index_tuple<>) (this=0x606040) at
/usr/include/c++/4.7/functional:1598
#8  0x000000000040237d in std::_Bind_simple<void (*())()>::operator()()
(this=0x606040) at /usr/include/c++/4.7/functional:1586
#9  0x0000000000402316 in std::thread::_Impl<std::_Bind_simple<void (*())()>
>::_M_run() (this=0x606028) at /usr/include/c++/4.7/thread:115
#10 0x000000000040266d in std::(anonymous
namespace)::execute_native_thread_routine (__p=0x606028) at thread.cpp:73
#11 0x00007ffff7bc6e0e in start_thread (arg=0x7ffff7005700) at
pthread_create.c:305
#12 0x00007ffff70ea2cd in clone () at
../sysdeps/unix/sysv/linux/x86_64/clone.S:115