busybox/shell/ash_test/ash-vars/var_bash_repl_empty_var.tests

unset v
echo ${v/*/w}
v=''
echo ${v/*/w}
echo Ok:$?
ash: fix ${unset_var/pattern/repl} function old new delta subevalvar 1349 1353 +4 Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2021-01-09 12:57:37 +05:30			`unset v`
			`echo ${v/*/w}`
ash testsuite: add two hush tests from last commit Signed-off-by: Denys Vlasenko <vda.linux@googlemail.com> 2018-01-25 18:39:06 +05:30			`v=''`
			`echo ${v/*/w}`
			`echo Ok:$?`