New assert in haifa-sched.c

[Adam Nemet]

Maxim Kuvyrkov writes:
> Yes, the assert is really checking exactly that.  Several pieces of 
> haifa-sched.c assume that the instruction has been recognized during 
> scheduler initialization to speed up checking if instruction is normal 
> or some kind of use/clobber/asm.

Thanks for the info but I can't seem to find the code where this is supposed
to be happening.  Can you point me to the code?

Adam