xref: /freebsd/bin/sh/tests/builtins/lineno2.0 (revision acd884dec99adcf8c4cdd0aa8a50be79c216f8e8) 
1
2f() {
3	: ${LINENO+${x?}}
4}
5
6unset -v x
7command eval f 2>/dev/null && exit 3
8x=1
9f
10