xref: /freebsd/bin/sh/tests/builtins/lineno2.0 (revision a03411e84728e9b267056fd31c7d1d9d1dc1b01e) 
1
2f() {
3	: ${LINENO+${x?}}
4}
5
6unset -v x
7command eval f 2>/dev/null && exit 3
8x=1
9f
10