[PATCH v2] libstdc++: Fix Unicode codecvt and add tests [PR86419]

[Jonathan Wakely]

On Tue, 10 Jan 2023, 13:00 Dimitrij Mijoski wrote:

> Fixes the conversion from UTF-8 to UTF-16 to properly return partial
> instead ok.
> Fixes the conversion from UTF-16 to UTF-8 to properly return partial
> instead ok.
> Fixes the conversion from UTF-8 to UCS-2 to properly return partial
> instead error.
> Fixes the conversion from UTF-8 to UCS-2 to treat 4-byte UTF-8 sequences
> as error just by seeing the leading byte.
> Fixes UTF-8 decoding for all codecvts so they detect error at the end of
> the input range when the last code point is also incomplete.
>

Thanks for the patch. Do you have a copyright assignment for gcc filed with
the FSF? If not, we require that, or a DCO sign-off. See
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