ghci misinterprets "early" unicode characters
It seems as if ghci misinterprets unicode characters if they occur too early in a source file.
$ cat test.hs
--data A = A -- example will not work if this line is commented
笑 :: [a] -> Int
笑 = length$ ghci test.hs
GHCi, version 6.10.4: http://www.haskell.org/ghc/ :? for help
Loading package ghc-prim ... linking ... done.
Loading package integer ... linking ... done.
Loading package base ... linking ... done.
[1 of 1] Compiling Main ( test.hs, interpreted )
test.hs:2:0:
Illegal signature in pattern: [a] -> Int 笑
Use -XScopedTypeVariables to permit it
Failed, modules loaded: none.
Prelude>Uncommenting the first line makes the problem go away.
Trac metadata
| Trac field | Value |
|---|---|
| Version | 6.10.4 |
| Type | Bug |
| TypeOfFailure | OtherFailure |
| Priority | normal |
| Resolution | Unresolved |
| Component | GHCi |
| Test case | |
| Differential revisions | |
| BlockedBy | |
| Related | |
| Blocking | |
| CC | |
| Operating system | |
| Architecture |