[Bug middle-end/71514] ICE on C11 code with atomic exchange at -O1 and above on x86_64-linux-gnu: in copy_reference_ops_from_ref, at tree-ssa-sccvn.c:879

[mpolacek at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=71514

--- Comment #10 from Marek Polacek <mpolacek at gcc dot gnu.org> ---
Ok, looking at the get_atomic_generic_size issue.