Mon Jan 21 05:56:54 PST 2008 [EMAIL PROTECTED]
* Make the loop-breaking algorithm a bit more liberal, where RULES are
involved
This is another gloss on the now-quite-subtle and heavily-documented algorithm
for choosing loop breakers.
This fix, provoked by Roman's NDP library, makes sure that when we are
choosing
a loop breaker we only take into account variables free on the *rhs* of a rule
not the *lhs*.
Most of the new lines are comments!
M ./compiler/simplCore/OccurAnal.lhs -4 +27
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