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Re: [4.2 only] RFA: PR 33848: reload rematerialisation of labels
> Because (a) reload can turn a direct jump into an indirect jump with
> a known target and (b) JUMP_LABEL should always be recomputable from
> other information (as done by rebuild_jump_labels). Without the note,
> later passes would not be able to recompute the correct JUMP_LABEL.
Agreed. But what about jumps without JUMP_LABEL? Your patch will change the
behavior for them.