1# This use-after-free bug probably needs non-default settings to show up. 2 3v1=nothing v2=nothing 4trap 'trap "echo bad" USR1 5v1=trap_received 6v2=trap_invoked 7:' USR1 8kill -USR1 "$$" 9[ "$v1.$v2" = trap_received.trap_invoked ] 10