[Bug tree-optimization/98845] [8/9/10/11 Regression] ICE: SSA corruption (Unable to coalesce ssa_names 2 and 23 which are marked as MUST COALESCE.) since r6-528-g465770e43996a132

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=98845

--- Comment #3 from Richard Biener <rguenth at gcc dot gnu.org> ---
Looks like tail merging triggers this.