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Reading symbols from ./a.out...done.
[New LWP 3115]
Core was generated by `./a.out‘.
Program terminated with signal SIGSEGV, Segmentation fault.
#0  0x000000000040051b in do_it () at ./test.c:11
11        *p = ‘a‘;

(gdb) where
#0  0x000000000040051b in do_it () at ./test.c:11
#1  0x0000000000400504 in main () at ./test.c:4