4 <:ParallelMove:> is a rewrite pass, agnostic in the
5 <:IntermediateLanguage:> which it produces.
9 This function computes a sequence of individual moves to effect a
10 parallel move (with possibly overlapping froms and tos).
14 * <!ViewGitFile(mlton,master,mlton/backend/parallel-move.sig)>
15 * <!ViewGitFile(mlton,master,mlton/backend/parallel-move.fun)>
17 == Details and Notes ==