panic tcMonoExpr _ with bad indentation in TH code
{-# LANGUAGE TemplateHaskell #-}
import Data.Aeson.TH
data Record = Record {
type_ :: Int
}
$(deriveJSON defaultOptions{
fieldLabelModifier = \x -> case x of
"type_" -> "type"
_ -> x
} ''Record)
gives
ghc: panic! (the 'impossible' happened)
(GHC version 7.10.2 for x86_64-unknown-linux):
tcMonoExpr _
Trac metadata
Trac field | Value |
---|---|
Version | 7.10.2 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | |
Operating system | |
Architecture |