#5320: check_overlap panic (7.1 regression)
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Reporter: mikhail.vorozhtsov | Owner:
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Compile-time crash
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Comment(by simonpj@…):
{{{
commit 7689e56641423b818fbd19fe2128cd6eec2ec212
Author: Simon Peyton Jones <[email protected]>
Date: Fri Jul 15 14:46:13 2011 +0100
Fix error reporting for overlapping instances in type checker
See #5320 and discussion there. This patch only removes
a bogus assertion failure and refactors the code slightly.
There's still an underlying delicate point, described in #5320.
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5320#comment:5>
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