#4042: Order of declarations affects the correctness of reported error.
---------------------------------+------------------------------------------
Reporter: ChrisN | Owner:
Type: bug | Status: new
Priority: normal | Component: Compiler (Parser)
Version: 6.12.2 | Keywords:
Os: Linux | Testcase:
Architecture: Unknown/Multiple | Failure: Incorrect warning at
compile-time
---------------------------------+------------------------------------------
In the following code
{{{
f :: A -> A
f
data A = A
}}}
leads to an out of scope error for 'A', whereas
{{{
data A = A
f :: A -> A
f
}}}
correctly claims that 'f' lacks an accompanying binding, and
{{{
data A = A
f :: A -> A
f = id
f
}}}
produces that error that `f'
is used in a top-level splice or annotation,
and must be imported, not defined locally.
Finally,
{{{
g = f
h
f = id
}}}
Gives an out of scope error for 'f', not 'h'
--
Ticket URL: <http://hackage.haskell.org/trac/ghc/ticket/4042>
GHC <http://www.haskell.org/ghc/>
The Glasgow Haskell Compiler
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