#6005: Template Haskell disallows use of promoted data constructor in same
splice
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Reporter: goldfire | Owner:
Type: bug | Status: closed
Priority: normal | Milestone:
Component: Template Haskell | Version: 7.5
Resolution: fixed | Keywords: DataKinds PolyKinds
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: GHC rejects valid program | Difficulty: Unknown
Testcase: th/T6005, T6005a | Blockedby:
Blocking: | Related:
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Comment(by simonpj@…):
commit d50cb3eda3912df0d75a8177f04783689b21dc9b
{{{
Author: Simon Peyton Jones <[email protected]>
Date: Thu Apr 26 13:47:54 2012 +0100
Do not generate derived instances in TH brackets
See Note [Deriving inside TH brackets] in TcInstDcls
Fixes Trac #6005 (again)
compiler/typecheck/TcInstDcls.lhs | 23 ++++++++++++++++++++++-
1 files changed, 22 insertions(+), 1 deletions(-)
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/6005#comment:5>
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