shell_cmds/sh/tests/expansion/cmdsubst20.0


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# $FreeBSD: head/bin/sh/tests/expansion/cmdsubst20.0 314637 2017-03-03 22:46:20Z jilles $

set -T
trapped=''
trap "trapped=x$trapped" USR1
[ "x$(kill -USR1 $$)y" = xy ] && [ "$trapped" = x ]