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Simon Peyton Jones authored
Max Bolingbroke suggested these two small improvements to LiberateCase (most of the size increase is comments :-)): a) Do LiberateCase on small functions even if they are mutually recursive See Note [Small enough] b) Don't do LiberateCase on functions for which it'd be fruitless, namely when a free varible is scrutinised *outside* the function See Note [Avoiding fruitless liberate-case] There is virtually no effect on nofib, but Max tripped over cases where it mattered slightly.
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