#5955: Renamer hangs when checking type family consistency
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Reporter: gmainland | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler
Version: 7.4.1 | Keywords:
Os: Unknown/Multiple | Architecture: Unknown/Multiple
Failure: None/Unknown | Testcase:
Blockedby: | Blocking:
Related: |
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checkFamInstConsistency goes into and endless loop in some situations when
called from tcRnImports. I have attached a tarball containing a boiled-
down example consisting of three .hs files and a shell script. The hang
only happens when compiling the three files (in dependency order) manually
with -c; the hang does not happen with --make. So it looks like importing
a module is not loading something that checkFamInstConsistency is assuming
is there.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/5955>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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