[PATCH] D47655: [MachineOutliner] Don't outline sequences where x16/x17/nzcv are live across

[Eli Friedman via Phabricator via llvm-commits]

efriedma added a comment.

Nevermind, the issue is my fault; should be `(MachineBasicBlock::reverse_iterator)front()`, not `++(MachineBasicBlock::reverse_iterator)front()`.  The resulting issue is tricky to debug because MachineInstrs are a circular linked list.


https://reviews.llvm.org/D47655