Program received signal EXC_BAD_ACCESS, Could not access memory.
Reason: KERN_INVALID_ADDRESS at address: 0x0400f5f8
__gnu_cxx::hashtable<std::pair<pan::StringView const, pan::Quark::Impl>, pan::StringView, pan::Quark::StringViewHash, std::_Select1st<std::pair<pan::StringView const, pan::Quark::Impl> >, std::equal_to<pan::StringView>, std::allocator<pan::Quark::Impl> >::erase (this=0x1aef58, address@hidden) at /usr/include/c++/4.0.0/ext/hashtable.h:872
872           _Node* __first = _M_buckets[__n];
(gdb) thread apply all bt

Thread 1 (process 27810 local thread 0xf03):
#0  __gnu_cxx::hashtable<std::pair<pan::StringView const, pan::Quark::Impl>, pan::StringView, pan::Quark::StringViewHash, std::_Select1st<std::pair<pan::StringView const, pan::Quark::Impl> >, std::equal_to<pan::StringView>, std::allocator<pan::Quark::Impl> >::erase (this=0x1aef58, address@hidden) at /usr/include/c++/4.0.0/ext/hashtable.h:872
#1  0x00014170 in __static_initialization_and_destruction_0 (__initialize_p=67141632, __priority=12) at /usr/include/c++/4.0.0/ext/hash_map:249
#2  0x00014170 in __static_initialization_and_destruction_0 (__initialize_p=67141632, __priority=12) at /usr/include/c++/4.0.0/ext/hash_map:249
#3  0x8fe0ffa0 in __dyld__ZN16ImageLoaderMachO13doTerminationERKN11ImageLoader11LinkContextE ()
#4  0x8fe03ebc in __dyld__ZN4dyld14runTerminatorsEv ()
#5  0x900146d8 in __cxa_finalize ()
#6  0x900145a4 in exit ()
#7  0x000025c8 in _start (argc=1, argv=0xbffff7ec, envp=0xbffff7f4) at /SourceCache/Csu/Csu-58/crt.c:272
#8  0x0000246c in start ()