#1176: Infinite loop when printing error message
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Reporter: [EMAIL PROTECTED] | Owner: thorkilnaur
Type: bug | Status: new
Priority: low | Milestone: _|_
Component: Compiler | Version: 6.6
Severity: normal | Resolution:
Keywords: | Difficulty: Unknown
Testcase: tcfail177 | Architecture: Multiple
Os: Multiple |
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Comment (by thorkilnaur):
With
{{{
$ ghc --version
The Glorious Glasgow Haskell Compilation System, version 6.8.2
}}}
and the following variant of the Simon PJ test case
{{{
$ cat 1176PJ.hs
module Foo5 where
-- The more infix ops we have, the worse fsep works
allTest1 :: Bool
allTest1 = foo
["One........" ~?= "1"
,"Two" ~?= "2"
,"Thre........." ~?= "3"
,"Four" ~?= "4"
,"Five" ~?= "5"
]
allTest2 :: Bool
allTest2 = foo
["One........" ~?= "1"
,"Two.................." ~?= "2"
,"Thre........." ~?= "3"
,"Four" ~?= "4"
,"Five" ~?= "5"
]
a=""
b=""
(~?=) :: a -> a -> Bool
(~?=) = error "urk"
foo :: a -> Int
foo x = 0
}}}
I get
{{{
$ ghc --make 1176PJ.hs
[1 of 1] Compiling Foo5 ( 1176PJ.hs, 1176PJ.o )
1176PJ.hs:6:11:
Couldn't match expected type `Bool' against inferred type `Int'
In the expression:
foo
["One........" ~?= "1", "Two" ~?= "2", "Thre........." ~?= "3",
"Four" ~?= "4", ....]
In the definition of `allTest1':
allTest1 = foo
["One........" ~?= "1", "Two" ~?= "2",
"Thre........." ~?= "3",
....]
1176PJ.hs:15:11:
Couldn't match expected type `Bool' against inferred type `Int'
In the expression:
foo
["One........" ~?= "1", "Two.................." ~?= "2",
"Thre........." ~?= "3", "Four" ~?= "4", ....]
In the definition of `allTest2':
allTest2 = foo
["One........" ~?= "1", "Two.................." ~?=
"2",
"Thre........." ~?= "3", ....]
$
}}}
The inconsistent indent of the second lines of the first list contained in
these messages indicates that an error is, indeed, still present in the
internal GHC version of the library.
Best regards
Thorkil
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/1176#comment:7>
GHC <http://www.haskell.org/ghc/>
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