[tree-ssa] Fix gcc.dg/tree-ssa/20030530-2.c

[law@redhat.com]

In message <1055450648.13007.107.camel@frodo.toronto.redhat.com>, Diego Novillo
 writes:
 >On Thu, 2003-06-12 at 16:23, law@redhat.com wrote:
 >
 >> print operand_equal_p (element->exp->operands[1], element->exp->operands[1]
 >, 0)
 >> 
 >Yeah, they're the same.
OK.


 >> See my message from a couple weeks ago entitled "Questions about hashtab.c
 >> behavior".  It went to Vlad, Jason, Andrew and you. I can resend it if
 >> you're interested in the details.  The number of things that have to
 >> happen "just so" are pretty amazing, but it does happen.
 >> 
 >Yup, I remember.
It's almost a certainty that you're being bitten by the hashing code
using the address of the type of a NOP_EXPR node.  

The good news is I just checked in a fix for this :-)

Jeff