[Bug tree-optimization/65519] [5 regression] unable to coalesce ssa_names 2 and 87 which are marked as MUST COALESCE

[rguenth at gcc dot gnu.org]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=65519

--- Comment #15 from Richard Biener <rguenth at gcc dot gnu.org> ---
Patch needs adjustments, re-testing.