[GHC] #10642: Coercible regression from 7.10 to HEAD
GHC
ghc-devs at haskell.org
Wed Jul 15 16:56:47 UTC 2015
#10642: Coercible regression from 7.10 to HEAD
-------------------------------------+-------------------------------------
Reporter: darchon | Owner: goldfire
Type: bug | Status: closed
Priority: highest | Milestone: 7.12.1
Component: Compiler | Version: 7.11
Resolution: fixed | Keywords:
Operating System: Unknown/Multiple | Architecture:
Type of failure: GHC rejects | Unknown/Multiple
valid program | Test Case:
Blocked By: | typecheck/should_compile/T10642
Related Tickets: | Blocking:
| Differential Revisions:
-------------------------------------+-------------------------------------
Comment (by rwbarton):
I know it wasn't the point of the ticket, but I'm surprised that the
derived instance for Bounded (a Haskell 2010-derivable class) uses coerce
rather than just using the data constructor D.
--
Ticket URL: <http://ghc.haskell.org/trac/ghc/ticket/10642#comment:5>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
More information about the ghc-tickets
mailing list