Fri Jan 28 00:07:48 PST 2011 [email protected]
* Fix an egregious strictness analyser bug (Trac #4924)
The "virgin" flag was being threaded rather than treated
like an environment. As a result, the second and subsequent
recursive definitions in a module were not getting a
correctly-initialised fixpoint loop, causing much worse
strictness analysis results. Indeed the symptoms in
Trac #4924 were quite bizarre.
Anyway, it's easily fixed. Merge to stable branch.
M ./compiler/stranal/DmdAnal.lhs -106 +123
View patch online:
http://darcs.haskell.org/cgi-bin/darcsweb.cgi?r=ghc;a=darcs_commitdiff;h=20110128080748-1287e-d2b60bca3d8b3a711951f7f8ffeaac70cd14f99b.gz
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