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bug#51631: 29.0.50; cc-mode fontification makes CPU at 100%
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From: |
Zhiwei Chen |
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Subject: |
bug#51631: 29.0.50; cc-mode fontification makes CPU at 100% |
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Date: |
Sun, 07 Nov 2021 09:55:12 +0800 |
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User-agent: |
Gnus/5.13 (Gnus v5.13) Emacs/29.0.50 (gnu/linux) |
Lars Ingebrigtsen <larsi@gnus.org> writes:
> Zhiwei Chen <condy0919@gmail.com> writes:
>
>> emacs -Q, then open the following c++ snippet.
>
> I put the snippet into a file /tmp/snippet.cc, and said:
>
> ./src/emacs -Q /tmp/snippet.cc
>
> But I was unable to reproduce the problem -- the file displayed as
> normal for me, and Emacs didn't use 100% CPU.
>
> Are there any additional steps necessary to reproduce the problem?
Keeping pressing C-p/C-n will see the noticeable latency. To be
specific, C-p/C-n in the merge function makes Emacs unresponsive.
--
Zhiwei Chen