#7347: Existential data constructors should not be promoted
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Reporter: simonpj | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.6.1
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: None/Unknown
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by simonpj@…):
commit 8019bc2cb7b2883bdf0da49ccdc52ecc9e2ad2fc
{{{
Author: Simon Peyton Jones <simo...@microsoft.com>
Date: Fri Oct 19 12:53:21 2012 +0100
Only promote *non-existential* data constructors
I don't konw how this was left out before; Trac #7347.
In fixing this I did the usual round of refactoring. In particular, I
cached the fact that a DataCon can be promoted in the DataCon
itself (the dcPromoted field).
compiler/basicTypes/DataCon.lhs | 69
++++++++++++++++++++------------------
compiler/iface/TcIface.lhs | 4 +-
compiler/prelude/TysWiredIn.lhs | 6 ++--
compiler/types/TyCon.lhs | 2 +-
4 files changed, 42 insertions(+), 39 deletions(-)
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/7347#comment:8>
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