[TRIVIAL] Fast-path for String.subsring(n,n)

[David Holmes]

On 26/02/2020 11:25 pm, Claes Redestad wrote:
> On 2020-02-26 14:19, Claes Redestad wrote:
>> I don't think a CSR is required, but bringing it up since others think 
>> otherwise.
> 
> s/since/in case/

An observable change in behaviour of a public API definitely needs a CSR 
request.

Thanks,
David (CSR Group member)