#2120: Arrays allow out-of-bounds indexes
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Reporter: amthrax | Owner:
Type: bug | Status: closed
Priority: high | Milestone: 6.12.1
Component: libraries (other) | Version: 6.8.2
Severity: normal | Resolution: fixed
Keywords: | Difficulty: Unknown
Testcase: | Os: Unknown/Multiple
Architecture: Unknown/Multiple |
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Changes (by igloo):
* status: new => closed
* resolution: => fixed
Comment:
Fixed by these patches in array and base:
{{{
Sun Jul 19 16:29:31 BST 2009 Ian Lynagh <[email protected]>
* Improve the index checking for array accesses; fixes #2120 #2669
As well as checking that offset we are reading is actually inside the
array, we now also check that it is "in range" as defined by the Ix
instance. This fixes confusing behaviour (#2120) and improves some error
messages (#2669).
Sun Jul 19 16:32:28 BST 2009 Ian Lynagh <[email protected]>
* Improve the index checking for array accesses; fixes #2120 #2669
As well as checking that offset we are reading is actually inside the
array, we now also check that it is "in range" as defined by the Ix
instance. This fixes confusing behaviour (#2120) and improves some error
messages (#2669).
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/2120#comment:13>
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