press tab, an error message displayed

[TANAKA Kazuyoshi]

Step to repro

1. input console '-o '(need white space),next input <TAB>
ex. ~$ -o <TAB>
2. display error message
"-bash: complete: -o: option requires an argument"

or
~$ strace -e trace=open -o /tmp/log <TAB>

error in
/usr/share/bash-completion/bash_completion
1954: complete -F _minimal "$1" && return 124

ProblemType: Bug
DistroRelease: Ubuntu 16.04
Package: bash-completion 1:2.1-4.2ubuntu1.1 [modified: usr/share/bash-completion/completions/apt]
ProcVersionSignature: Ubuntu 4.4.0-96.119-generic 4.4.83
Uname: Linux 4.4.0-96-generic x86_64
ApportVersion: 2.20.1-0ubuntu2.10
Architecture: amd64
Date: Thu Sep 21 22:16:58 2017
PackageArchitecture: all
ProcEnviron:
 TERM=xterm
 PATH=(custom, no user)
 XDG_RUNTIME_DIR=<set>
 LANG=ja_JP.UTF-8
 SHELL=/bin/bash
SourcePackage: bash-completion
UpgradeStatus: Upgraded to xenial on 2016-08-20 (397 days ago)