irb hangs when type /\u{

[znz]

Description

Expected: I can input { after /\u.
Actual: Do not show {, and irb hangs.

Result of irb_info

irb(main):001:0> irb_info
=>
Ruby version: 3.2.2
IRB version: irb 1.7.0 (2023-06-03)
InputMethod: RelineInputMethod with Reline 0.3.5
RUBY_PLATFORM: arm64-darwin22
LANG env: ja_JP.UTF-8
East Asian Ambiguous Width: 1

Terminal Emulator

What's your terminal emulator?

Terminal.app

Setting Files

Are you using ~/.irbrc and ~/.inputrc?

No.

[tompng]

It looks like a bug in ruby and looks like it cannot be handled by IRB.
I reported to https://bugs.ruby-lang.org/issues/19750