Re: [PATCH v2 0/3] MR417: riched20: Add font fallback support.

[Huw Davies (＠huw)]

Huw Davies (@huw) commented about dlls/riched20/wrap.c:
> run->clusters = heap_alloc( run->max_clusters * sizeof(WORD) );
>      }
>
> +    if (!(char_prop = heap_alloc( run->len * sizeof( *char_prop ) )))
> +        return E_OUTOFMEMORY;
> +    if (!(glyph_prop = heap_alloc( run->len * sizeof( *glyph_prop ) )))

This needs to be `max_glyphs` long.

However it should be allocated in `get_run_glyph_buffers()` instead of `run->vis_attr`.  The code that uses `run->vis_attr` should then be changed to use the glpyh props instead.
It may help to reduce the patch size by making this simple change first.

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https://gitlab.winehq.org/wine/wine/-/merge_requests/417#note_4062