GNU gdb (Ubuntu 7.11.1-0ubuntu1~16.04) 7.11.1
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Reading symbols from bounder...done.
(gdb) Starting program: /home/jburkardt/public_html/f_src/gdb/bounder 

Program received signal SIGBUS, Bus error.
0x0000000000400d98 in test02 () at bounder.f90:122
122	    b(j) = j + 1
(gdb) $1 = 100000
(gdb) A debugging session is active.

	Inferior 1 [process 5888] will be killed.

Quit anyway? (y or n) [answered Y; input not from terminal]