Many Symbol objects are generated

[elfham]

Description

After type Symbol literals, many Symbol objects have been generated.

Steps to Reproduce

Type :hoge.

% irb
irb(main):001:0> :hoge

No completion candidates are suggested in the dialog.

Continue to type hogehogehogehogehogehogehoge.

% irb
irb(main):001:0> :hogehogehogehogehogehogehogehoge

Clear the line by typing C-u.
Then type :hoge.

% irb
irb(main):001:0> :hoge
                 :hoge
                 :hogeh
                 :hogeho
                 :hogehog
                 :hogehoge
                 :hogehogeh
                 :hogehogeho
                 :hogehogehog
                 :hogehogehoge
                 :hogehogehogeh
                 :hogehogehogeho
                 :hogehogehogehog
                 :hogehogehogehoge
                 :hogehogehogehogeh
                 :hogehogehogehogeho

Now, many candidates are in the dialog.

Result of irb_info

Ruby version: 2.7.4
IRB version: irb 1.3.8.pre.8 (2021-09-06)
InputMethod: ReidlineInputMethod with Reline 0.2.8.pre.8
RUBY_PLATFORM: amd64-freebsd13
LANG env: ja_JP.UTF-8

Terminal Emulator

PuTTYrv 0.76-ranvis (CJK)

Setting Files

No ~/.irbrc, no ~/.inputrc