Re: [05/13] ssa-loop-niter: skip caching of null operands

[Jeff Law via Gcc-patches]

On 12/26/22 21:22, Alexandre Oliva via Gcc-patches wrote:

When a TREE_OPERAND is NULL, do not cache it.

Regstrapped on x86_64-linux-gnu.  Ok to install?


for  gcc/ChangeLog

        * tree-ssa-loop-niter.cc (expand_simple_operands): Refrain
        from caching NULL TREE_OPERANDs.
I must admit some curiosity about the NULL operand though.  Do you 
recall what kind of node had a NULL operand and whether or not that was 
a valid state or not?

I just want to make sure this isn't just papering over a deeper issue.

jeff