[PATCH v2] RISC-V: vsetvl: elide abnormal edges from LCM computations [PR119533]

[Robin Dapp]

> The solution is to filter out abnormal edges from getting into LCM at
> all. Existing invalid_opt_bb_p () has such checks for BB predecessors
> but not for successors which is what the patch adds.

OK.

-- 
Regards
 Robin