#5658: Strict bindings are wrongly floated out of case alternatives.
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Reporter: benl | Owner: benl
Type: bug | Status: new
Priority: normal | Milestone:
Component: Compiler | Version: 7.2.1
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Runtime crash
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Comment(by benl@…):
commit 657773c8e59917fda05ee08065ec566aebb50a5f
{{{
Author: Ben Lippmeier <[email protected]>
Date: Tue Nov 29 16:38:33 2011 +1100
Fix #5658: mark all array indexing primops as can_fail
If they're not marked as can_fail, then they are floated out of case
expressions that check whether the indices are in-bounds, causing immense
suffering.
compiler/prelude/primops.txt.pp | 112
+++++++++++++++++++++++++++++++++++++-
1 files changed, 109 insertions(+), 3 deletions(-)
}}}
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Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5658#comment:3>
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