[Bug rtl-optimization/127852] [16/17 Regression] simplify-rtx/combine can merge equal volatile accesses

[vineetg at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=127852

--- Comment #4 from Vineet Gupta <vineetg at gcc dot gnu.org> ---
(In reply to Roger Sayle from comment #3)
> Doh!  You seem to be on top of things, I'll unassign myself.

Sorry I didn't mean to get in the way. I just tested your proposal.