gdb session

% gdb ./a.out core
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Reading symbols from ./driver-debug...done.

warning: core file may not match specified executable file.
[New LWP 9365]
Core was generated by `/bin/sh ./wrapper.sh'.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x00007f79b558767a in ?? ()
(gdb) bt
#0  0x00007f79b558767a in ?? ()
#1  0x00007f79b5abce0c in ?? ()
#2  0x00007ffffbdfda7c in ?? ()
#3  0x00007f79b7690650 in ?? ()
#4  0x0000000000000011 in ?? ()
#5  0x0000000000000000 in ?? ()

wrapper.sh

#!/bin/sh

./a.out arg