bug#32038: 27.0.50; Emacs hangs when using :propertize mode line constru

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bug#32038: 27.0.50; Emacs hangs when using :propertize mode line constru

From:	Jonathan Kyle Mitchell
Subject:	bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value
Date:	Mon, 02 Jul 2018 20:24:01 -0500
User-agent:	mu4e 1.0; emacs 26.1

Michał Kondraciuk <k.michal@zoho.com> writes:

> When I evaluate this, Emacs becomes unresponsive and keeps
> consuming 100% of my cpu:
>
> (progn
>   (setq mode-line-format '(:propertize "a" face))
>   (force-mode-line-update))
>
> Repository revision: ee3e432300054ca488896e39fca57b10d733330a

I can also reproduce this issue on Emacs 26.1.

--
Jonathan Kyle Mitchell

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bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Michał Kondraciuk, 2018/07/02
- bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Jonathan Kyle Mitchell <=
  - bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Jonathan Kyle Mitchell, 2018/07/03
    - bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Jonathan Kyle Mitchell, 2018/07/03
    - bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Eli Zaretskii, 2018/07/04
    - bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Jonathan Kyle Mitchell, 2018/07/05
    - bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Eli Zaretskii, 2018/07/14
    - bug#32038: 27.0.50; Emacs hangs when using :propertize mode line construct and not providing a property value, Jonathan Kyle Mitchell, 2018/07/15
- bug#32237: 27.0.50; Function in before-change-functions is called with first argument greater than the second, Michał Kondraciuk, 2018/07/21
  - bug#32237: 27.0.50; Function in before-change-functions is called with first argument greater than the second, Eli Zaretskii, 2018/07/21

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