Small problem in cse

[Christian Iseli]

>   In message < 199710172043.WAA24596@Rivendell.MiddleEarth.net >you write:
>   > I've received a segfault from cc1 due to a NULL dereference in cse.c.
>   > The  following trivial patch cures the problem.
> Yes, but _why_ is classp NULL?

classp is not NULL, but classp->first_same_value is NULL, and later dereferenced.
I don't *know* why that field is NULL, I just assumed that no same value had
been seen yet...

					Christian