Using old code generator
simonpj at microsoft.com
Fri Apr 12 12:32:36 CEST 2013
I believe that the old codegen is gone altogether.
Please add to the ticket to say that it blocks compilation of a particular package (with instructions for how to reproduce). Is this an important package?
Someone should just fix the codegen! Any volunteers? Simon left some breadcrumbs and I'm sure would help.
| -----Original Message-----
| From: glasgow-haskell-users-bounces at haskell.org [mailto:glasgow-haskell-
| users-bounces at haskell.org] On Behalf Of Roman Cheplyaka
| Sent: 12 April 2013 11:27
| To: glasgow-haskell-users at haskell.org
| Subject: Using old code generator
| I'm looking for a workaround for #7574  (I run into it when trying to
| build the 'statistics' package with profiling enabled with GHC HEAD.)
| The symptom is
| ghc-stage2: panic! (the 'impossible' happened)
| (GHC version 7.7.20130407 for i386-unknown-linux):
| allocateRegsAndSpill: Cannot read from uninitialized register
| : http://hackage.haskell.org/trac/ghc/ticket/7574
| Do I understand correctly that this bug is specific to the new codegen?
| If so, is it possible to ask the compiler to use the old codegen?
| Is it okay to mix together packages compiled with both codegens?
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