[project @ 2005-03-24 16:14:00 by simonmar]
Cleanup the upsweep strategy in GHC.load. Now it's hopefully clearer how we decide what modules to recompile, and which are "stable" (not even looked at) during a reload. See the comments for details. Also, I've taken some trouble to explicitly prune out things that aren't required before a reload, which should reduce the memory requirements for :reload in GHCi. Currently I believe it keeps most of the old program until the reload is complete, now it shouldn't require any extra memory.
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