Parser should suggest -XMagicHash
When using GHCi, this is leading to a weird situation where GHCi is actually suggesting an identifier with #
in it, but also rejecting when you actually type it:
➜ ~ ghc-stage2 --interactive
GHCi, version 7.11.20151016: http://www.haskell.org/ghc/ :? for help
λ:1> :m + GHC.Prim
λ:2> :t unsafe
unsafeCoerce# unsafeFreezeArrayArray# unsafeFreezeSmallArray# unsafeThawSmallArray#
unsafeFreezeArray# unsafeFreezeByteArray# unsafeThawArray#
λ:2> :t unsafeCoerce#
<interactive>:1:14: error:
parse error (possibly incorrect indentation or mismatched brackets)
λ:3> :set -XMagicHash
λ:4> :t unsafeCoerce#
unsafeCoerce# :: a -> b
(also tried with 7.10)
Trac metadata
Trac field | Value |
---|---|
Version | 7.10.2 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | low |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |