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To: cygwin AT cygwin DOT com
Subject: Re: wcwidth broken with gcc 16
In-Reply-To: <a9676834-0368-4a8a-88b0-da5e9483b536@towo.net> (Thomas Wolff via
Cygwin's message of "Sun, 12 Apr 2026 13:25:07 +0200")
References: <a9676834-0368-4a8a-88b0-da5e9483b536 AT towo DOT net>
Date: Sun, 03 May 2026 07:35:19 +0200
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Thomas Wolff via Cygwin writes:
> Observed with gcc 16:
> For a number of character ranges, mainly (but not only) from CJK
> ranges, wcwidth incorrectly reports width 1 instead of 2, 0, or -1.
> Test file attached.

Can you report this upstream, please?


Regards,
Achim.
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