#5776: Rule matching regression
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Reporter: rl | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.4.2
Component: Compiler | Version: 7.5
Keywords: | Os: Unknown/Multiple
Architecture: Unknown/Multiple | Failure: Runtime performance bug
Difficulty: Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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Comment(by simonpj@…):
commit f002a461768cb334355c17053dcd331aa9ed1e06
{{{
Author: Simon Peyton Jones <[email protected]>
Date: Tue Jan 17 12:15:26 2012 +0000
Do not combine dictionaries in the EvVarCache when simplEqsOnly is on
This fixes Trac #5776; the background is in
Note [Simplifying RULE lhs constraints] in TcSimplify
compiler/typecheck/TcInteract.lhs | 67
+++++++++++++++++++++----------------
1 files changed, 38 insertions(+), 29 deletions(-)
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5776#comment:2>
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