[Bug target/63679] [5/6 Regression][AArch64] Failure to constant fold.

[rguenther at suse dot de]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=63679

--- Comment #36 from rguenther at suse dot de <rguenther at suse dot de> ---
On Wed, 29 Jul 2015, alalaw01 at gcc dot gnu.org wrote:

> but also feel that those two statements hashing differently is not really
> helpful!

Well, it still uses hash_tree_expr (now 'add_expr') which has to
be compatible with operand_equal_p, not just with finding
redundancies.