[GHC] #14435: GHC 8.2.1 regression: -ddump-tc-trace hangs forever

GHC ghc-devs at haskell.org
Tue Nov 7 15:19:26 UTC 2017


#14435: GHC 8.2.1 regression: -ddump-tc-trace hangs forever
-------------------------------------+-------------------------------------
        Reporter:  RyanGlScott       |                Owner:  (none)
            Type:  bug               |               Status:  closed
        Priority:  normal            |            Milestone:
       Component:  Compiler (Type    |              Version:  8.2.1
  checker)                           |
      Resolution:  fixed             |             Keywords:
Operating System:  Unknown/Multiple  |         Architecture:
 Type of failure:  Compile-time      |  Unknown/Multiple
  performance bug                    |            Test Case:
      Blocked By:                    |             Blocking:
 Related Tickets:                    |  Differential Rev(s):
       Wiki Page:                    |
-------------------------------------+-------------------------------------
Changes (by RyanGlScott):

 * status:  new => closed
 * resolution:   => fixed


Comment:

 As it turns out, this has been fixed on GHC HEAD, by commit
 791947db6db32ef7d4772a821a0823e558e3c05b (`Refactor tcInferApps.`), due to
 its removal of a call to `ppr ty` from a `traceTc`.

-- 
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/14435#comment:2>
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