#3731: SYB gone wild - mysterious <<loop>> in code derived from an
syb-with-class
example
---------------------------------+------------------------------------------
Reporter: dsf | Owner: igloo
Type: bug | Status: new
Priority: normal | Milestone: 7.0.1
Component: Compiler | Version: 6.13
Keywords: | Testcase:
Blockedby: | Difficulty:
Os: Unknown/Multiple | Blocking:
Architecture: Unknown/Multiple | Failure: Incorrect result at runtime
---------------------------------+------------------------------------------
Changes (by simonpj):
* owner: => igloo
Comment:
Great. We'll regard it as fixed.
Ian: I'd be happier if there was a regression test. I believe that
`Bug2.hs`, `Default.hs`, and `NewData.hs` constitute such a test, but I
believe that they in turn depend on the `syb` library.
I don't really know how to put such a test in our regression
suite...notably we don't routinely build `syb`. Maybe we should? (It's
stresses the recursive-dictionary apparatus, and is not a big library.) Or
maybe it should be in library tests? I'm not sure. Can you decide, and
then close? Thanks
Simon
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3731#comment:12>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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