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Commit 524ddbda authored by Joachim Breitner's avatar Joachim Breitner
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Make sure GHC.List.last is memory-efficient 

by eta-expanding its definition so that GHC optmizes the foldl here.
Also make sure that other uses of last go via foldl as well, to allow
list fusion (tested in T9339). Fixes #10260.
parent a55bfabb
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