[Issue 15889] Array bounds check should report index and length

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=15889

mipri <mipri at minimaltype.com> changed:

           What    |Removed                     |Added
----------------------------------------------------------------------------
             Status|RESOLVED                    |REOPENED
                 CC|                            |mipri at minimaltype.com
         Resolution|FIXED                       |---

--- Comment #4 from mipri <mipri at minimaltype.com> ---
The new error message has an absurd case:

```d
unittest {
    string s1 = "hi";
    char[5] s2;
    s2 = s1;
}
```

core.exception.ArrayIndexError at length.d(4): index [2] exceeds array of length 5

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