BUG.bash.local.unset.test

# from https://github.com/oilshell/oil/issues/706#issuecomment-615100131

# bash 4.3..5.0 bug

f1() {
  local v=local
  unset -v v # this is local-scope unset
  echo "$v"
}

v=global
v=tempenv f1

# Results:
#   Bash 2.05b-4.2    outputs "v: (unset)"
#   Bash 4.3-5.0      outputs "v: global"
#   Bash devel branch outputs "v: (unset)"