#5576: Fix to #5549 breaks integerConstantFolding
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Reporter: daniel.is.fischer | Owner: simonpj
Type: bug | Status: new
Priority: highest | Milestone: 7.4.1
Component: Compiler | Version: 7.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Linux | Blocking:
Architecture: Unknown/Multiple | Failure: None/Unknown
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Comment(by simonpj@…):
commit a1448ec2f8a50c76ec13bb61cb7bc87e7f7f101c
{{{
Author: Simon Peyton Jones <[email protected]>
Date: Mon Oct 24 18:05:42 2011 +0100
Make the matching in PrelRules "look through" unfoldings
This is important for Integer literals; fixes Trac #5576
compiler/coreSyn/CoreSubst.lhs | 18 +++++++++++++-
compiler/coreSyn/CoreUnfold.lhs | 2 +-
compiler/prelude/PrelRules.lhs | 50
++++++++++++++++++++++++--------------
3 files changed, 49 insertions(+), 21 deletions(-)
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5576#comment:4>
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