[GHC] #15286: "Can't use Natural in base" when compiling GHC.Natural with -O0
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Tue Sep 4 07:11:32 UTC 2018
#15286: "Can't use Natural in base" when compiling GHC.Natural with -O0
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Reporter: alpmestan | Owner: (none)
Type: bug | Status: patch
Priority: normal | Milestone:
Component: libraries/base | Version: 8.5
Resolution: | Keywords:
Operating System: Unknown/Multiple | Architecture:
Type of failure: Building GHC | Unknown/Multiple
failed | Test Case:
Blocked By: | Blocking:
Related Tickets: | Differential Rev(s): Phab:D4880
Wiki Page: |
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Comment (by simonpj):
Compiling `Num` with `-O0` will kill numeric performance for every single
Haskell program -- it's not acceptable.
Does anyone understand what the actual problem is here?
Why does it only happen with Hadrian?
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Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/15286#comment:6>
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