Something

(gdb) run
Starting program: /usr/bin/mythfrontend
[Thread debugging using libthread_db enabled]
[New Thread 16384 (LWP 6099)]

Program received signal SIGSEGV, Segmentation fault.
[Switching to Thread 16384 (LWP 6099)]
0x41525e87 in object_pool (this=0x4092ebb0, cbf=0x41523ffc <new_decoder()>) at freesurround.cpp:89
89              object_pool(callback cbf):construct(cbf) { }
(gdb) l
84      class object_pool
85      {
86      public:
87              typedef void* (*callback)();
88              // initialize
89              object_pool(callback cbf):construct(cbf) { }
90              ~object_pool()
91          {
92                      for (std::map<void*,void*>::iterator i=pool.begin(),e=pool.end();i!=e;i++)
93                              delete i->second;