#5426: Clever programs violate GHC assumptions about representation
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Reporter: batterseapower | Owner: dreixel
Type: bug | Status: new
Priority: high | Milestone: 7.4.1
Component: Compiler | Version: 7.2.1
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: GHC accepts invalid program
Difficulty: | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by simonpj@…):
commit 0f34f30839c9f382bdeab0335675ce8491361d67
{{{
Author: Simon Peyton Jones <simo...@microsoft.com>
Date: Tue Dec 13 12:30:40 2011 +0000
Document the "kind invariant", and check it
See Note [The kind invariant] in TypeRep
Checked in CoreLint
All this arises from Trac #5426
compiler/coreSyn/CoreLint.lhs | 43 ++-----------------------
compiler/typecheck/TcMType.lhs | 4 ++
compiler/types/Type.lhs | 14 +++++---
compiler/types/TypeRep.lhs | 67
++++++++++++++--------------------------
4 files changed, 39 insertions(+), 89 deletions(-)
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5426#comment:6>
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