Breakpoint 1 at 0x408fb0: file expand.c, line 863.
Starting program: /usr/src/bin/sh/sh 

Breakpoint 1, varisset (name=0x8015a7234 "1985234857347568347:1=2:5ù", 
    nulok=16) at expand.c:863
863		if (*name == '!')
861	{
863		if (*name == '!')
865		else if (*name == '@' || *name == '*') {
877		} else if (is_digit(*name)) {
879			int num = atoi(name);
881			if (num > shellparam.nparam)
883			if (num < 0)
$1 = -1544760613
$2 = -1544760613
895	}
varisset (name=0xa <Error reading address 0xa: Bad address>, nulok=-858993460)
    at expand.c:891
891			if (nulok && (ap == NULL || *ap == '\0'))
895	}
evalvar (p=0x8015a724a "2:5ù", flag=3) at expand.c:703
703		startloc = expdest - stackblock();
692			set = varisset(var, varflags & VSNUL);
703		startloc = expdest - stackblock();
704		if (!set && uflag && *var != '@' && *var != '*') {
703		startloc = expdest - stackblock();
704		if (!set && uflag && *var != '@' && *var != '*') {
712				error("%.*s: parameter not set", (int)(p - var - 1),
716		if (set && subtype != VSPLUS) {
718			if (special) {
719				varvalue(var, varflags & VSQUOTE, subtype, flag);
720				if (subtype == VSLENGTH) {
745						STPUTS(val, expdest);
751		if (subtype == VSPLUS)
752			set = ! set;
754		easy = ((varflags & VSQUOTE) == 0 ||
758		switch (subtype) {
824			c = p - var - 1;
825			error("${%.*s%s}: Bad substitution", c, var,
Warning:
Cannot insert breakpoint -12.
Error accessing memory address 0x7325732a2e257b24: Bad address.

Single stepping until exit from function _longjmp, 
which has no line number information.
main (argc=1, argv=0x7fffffffdbd0) at main.c:105
105			switch (exception) {
111				exitstatus = 2;
118			if (state == 0 || iflag == 0 || ! rootshell ||
121			reset();
122			if (exception == EXINT)
124			popstackmark(&smark);
125			FORCEINTON;				/* enable interrupts */
126			if (state == 1)
128			else if (state == 2)
130			else if (state == 3)
175			cmdloop(1);

Program exited with code 0205.