Mon Sep 10 03:38:30 PDT 2007 Simon Marlow <[EMAIL PROTECTED]>
* FIX #903: mkWWcpr: not a product
This fixes the long-standing bug that prevents some code with
mutally-recursive modules from being compiled with --make and -O,
including GHC itself. See the comments for details.
There are some additional cleanups that were forced/enabled by this
patch: I removed importedSrcLoc/importedSrcSpan: it wasn't adding any
useful information, since a Name already contains its defining Module.
In fact when re-typechecking an interface file we were wrongly
replacing the interesting SrcSpans in the Names with boring
importedSrcSpans, which meant that location information could degrade
after reloading modules. Also, recreating all these Names was a waste
of space/time.
M ./compiler/basicTypes/Name.lhs -1 +8
M ./compiler/basicTypes/SrcLoc.lhs -30 +3
M ./compiler/iface/LoadIface.lhs -11 +2
M ./compiler/main/GHC.hs -19 +102
M ./compiler/main/PprTyThing.hs -4 +5
M ./compiler/types/FamInstEnv.lhs -1 +1
M ./compiler/types/InstEnv.lhs -1 +1
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