Re: [PATCH v3 0/1] MR1553: msvcrt: Fix errno set on dup from read-only file.

[Piotr Caban (＠piotr)]

Piotr Caban (@piotr) commented about dlls/msvcrt/tests/file.c:
> close (fd);
>
> +    fd = open ("fdopen.tst", O_RDONLY, _S_IREAD |_S_IWRITE);
> +    errno = 0xdeadbeef;
> +    ok(dup2(fd, -1) == -1, "dup2 succeeded on read-only file\n");

dup2 is failing because second argument is -1, not because it's a read-only file.
```suggestion:-0+0
    ok(dup2(fd, -1) == -1, "dup2(fd, -1) succeeded\n");
```

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https://gitlab.winehq.org/wine/wine/-/merge_requests/1553#note_17702