Template Haskell crashes
The following fragment:
{-# LANGUAGE TemplateHaskell #-}
import Language.Haskell.TH
foo = $(return $
CompE
[NoBindS (VarE $ mkName "undefined")
,BindS (VarP $ mkName "r1") (VarE $ mkName "undefined") ])
when loaded gives:
*** Exception: hsSyn\Convert.lhs:(427,14)-(428,33): Non-exhaustive patterns in case
Trac metadata
Trac field | Value |
---|---|
Version | 6.10.4 |
Type | Bug |
TypeOfFailure | OtherFailure |
Priority | normal |
Resolution | Unresolved |
Component | Compiler |
Test case | |
Differential revisions | |
BlockedBy | |
Related | |
Blocking | |
CC | ndmitchell@gmail.com |
Operating system | |
Architecture |