#3990: UNPACK doesn't unbox data families
---------------------------------+------------------------------------------
Reporter: rl | Owner:
Type: bug | Status: new
Priority: normal | Milestone: 7.2.1
Component: Compiler | Version: 7.0.3
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Runtime performance bug
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Changes (by liyang):
* cc: hackage.haskell.org@… (added)
* version: 6.13 => 7.0.3
Comment:
In 7.0.3, at least there's a warning:
{{{
Warning: Ignoring unusable UNPACK pragma on the
first argument of `T'
}}}
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3990#comment:5>
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