machime platform：
ia64 HP-UX B.11.23
problem：
when program 'A' use dlopen function to load library 'B', program 'A' may crash
scene description ：
program 'A' use dlopen to load dynamic library "B', and "A" and "B" is correct in syntax and
logic,and 'A' is compiled by C language ,and 'B' is complied by C++ language
'A' compile parameter is：
aCC -o A.out -Ae -g +DD64 -mt -dynamic -ldl -lpthread
'B' compile parameter is：
aCC -o B.so -AA -b -mt -Wl,+s -Wl,+vnocompatwarnings +DD64 +Olit=all -Wl,-hsqlca,+allowdups
-w -lunwind -lCsup -lstd_v2
'A" used (aCC -Ae)，"B" used (aCC-AA)
print stack as below：
Program terminated with signal 11, Segmentation fault.
SEGV_MAPERR - Address not mapped to object
#0 0xc0000000000e7560:0 in pthread_mutex_destroy+0xc0 ()
from /usr/lib/hpux64/libpthread.so.1
(gdb) where
#0 0xc0000000000e7560:0 in pthread_mutex_destroy+0xc0 ()
from /usr/lib/hpux64/libpthread.so.1
#1 0xc000000000357de0:0 in __thread_mutex_free+0xc0 ()
from /usr/lib/hpux64/libc.so.1
#2 0xc00000000233f370:0 in _HPMutexWrapper::~_HPMutexWrapper()+0xd0 ()
from /usr/lib/hpux64/libstd_v2.so.1
#3 0xc000000006eda1e0:0 in std::basic_streambuf
>::~basic_streambuf () at EIClass.cpp:1
#4 0xc000000006eb6980:0 in
std::basic_stringstream,std::allocator
>::~basic_stringstream ()
at /opt/aCC/include_std/sstream:74
#5 0xc000000006ec8690:0 in EIClass::GetColVal () at EIClass.cpp:1441 //-----------------------> user
function
This problem happened in EIClass::GetColVal () return function，
snippet displayed as below
int EIClass::GetColVal (){
...
...
return 0; //-----------------------> coredump happen
}
