Wrong lowering for a[b][c]++

[Andrej Mitrovic]

On 3/21/12, H. S. Teoh <hsteoh at quickfur.ath.cx> wrote:
> Sorry, I was thinking in terms of my AA implementation which is done
> using a struct with operator overloading. I should've checked what the
> behaviour of the current built-in AAs are before posting. :-P

Well in that case isn't it a necessity to keep compatibility with the
old implementation? Do we really have to break user-code again?