[GHC] #13900: Core lint in BuildFlavour=perf-llvm

GHC ghc-devs at haskell.org
Tue Mar 27 08:29:22 UTC 2018


#13900: Core lint in BuildFlavour=perf-llvm
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        Reporter:  bgamari           |                Owner:  bgamari
            Type:  bug               |               Status:  new
        Priority:  highest           |            Milestone:  8.6.1
       Component:  Compiler          |              Version:  8.3
      Resolution:                    |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  crash or panic                     |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
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Comment (by Simon Peyton Jones <simonpj@…>):

 In [changeset:"a7628dcd2cb570fe41de247af6aa71a89177a9b9/ghc" a7628dc/ghc]:
 {{{
 #!CommitTicketReference repository="ghc"
 revision="a7628dcd2cb570fe41de247af6aa71a89177a9b9"
 Deal with join points with RULES

 Trac #13900 showed that when we have a join point that
 has a RULE, we must push the continuation into the RHS
 of the RULE.

 See Note [Rules and unfolding for join points]

 It's hard to tickle this bug, so I have not added a regression test.
 }}}

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/13900#comment:14>
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