[Valgrind-users] Does creating a stringstream object cause a leak

[fpga <mgb...@bl...>]

#include "sstream"
using namespace std;
int main(){
   stringstream ss;
   return 0;
}

Why does the above cause this 'bug'?

==4249== Invalid free() / delete / delete[]
==4249==    at 0x40052EA: operator delete(void*, std::nothrow_t const&)
(vg_replace_malloc.c:354)
==4249==    by 0x5544058: std::__verify_grouping(char const*, unsigned,
std::string const&) (locale_facets.cc:108)
==4249==    by 0x5544F8C: std::locale::_Impl::_Impl(char const*, unsigned)
(localename.cc:218)
==4249==    by 0x554500C: std::locale::_Impl::_Impl(char const*, unsigned)
(localename.cc:206)
==4249==    by 0x5546137: std::locale::locale() (localename.cc:88)
==4249==    by 0x5540B9B: std::ios_base::ios_base() (locale.cc:378)
==4249==    by 0x557EAA4: std::basic_stringstream<char,
std::char_traits<char>, std::allocator<char>
>::basic_stringstream(std::_Ios_Openmode) (istream:586)
==4249==    by 0x804863E: main (/home/me/Desktop/new_play/bug.cpp:4)
==4249==  Address 0x55dd188 is not stack'd, malloc'd or (recently) free'd 
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