#3530: GHCi does not work on Snow Leopard
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Reporter: chak | Owner:
Type: bug | Status: new
Priority: normal | Component: GHCi
Version: 6.11 | Severity: critical
Keywords: | Testcase:
Os: MacOS X | Architecture: x86
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When compiling GHC as a 32-bit application on Snow Leopard (Mac OS X
10.6), the generated ghci aborts with a Bus Error (null pointer
dereference) on startup (after it has loaded all packages). This happens
only when GHC was compiled on Snow Leopard (not if a binary built on
Leopard is used on Snow Leopard) and if GHCi is used '''interactively'''
(if a set of commands is redirected into ghci —as in `ghc < myscript`— the
problem doesn't occur).
In addition to the failure of GHCi on startup for interactive use, the
following five regression tests fail when validating:
{{{
TH_repE2(normal) -- the failing declaration is:
an_integer
TH_repPrim(normal) -- the failing tests is: [| D# 24.6## |]
ann01(normal) -- all annotations with a Double fail
ffi018_ghci(ghci)
prog002(ghci)
}}}
Moreover, with `WAY=ghci` in `codeGen/`, we have the following failures:
{{{
cg014(ghci)
cg024(ghci)
cg026(ghci)
cg028(ghci)
cg034(ghci)
cg035(ghci)
cg044(ghci)
}}}
Observation: All of the failing tests use 'Double'.
Workaround: For the 6.12 release, by building a 32-bit binary on Leopard
for use on both Leopard and Snow Leopard, the fault on starting GHCi can
be avoided. I haven't checked whether that avoids the problems with the
listed regressions, too.
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/3530>
GHC <http://www.haskell.org/ghc/>
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