Broken windres in Windows installer

JCAB reports:

{-# LANGUAGE TemplateHaskell #-}
module MkData where

import Language.Haskell.TH
import Language.Haskell.TH.Syntax

decl name = returnQ $ [ DataD [] (mkName name) [] [RecC (mkName name) []] [] ]
---
{-# LANGUAGE TemplateHaskell #-}
module Main where

import MkData

$(decl "KK")

main = undefined

gives the spooky error

C:\Users\JCAB\Haskell\THTest>ghc --make main.hs
[1 of 2] Compiling MkData           ( MkData.hs, MkData.o )
[2 of 2] Compiling Main             ( main.hs, main.o )
Loading package ghc-prim ... linking ... done.
Loading package integer ... linking ... done.
Loading package base ... linking ... done.
Loading package syb ... linking ... done.
Loading package array-0.2.0.0 ... linking ... done.
Loading package packedstring-0.1.0.1 ... linking ... done.
Loading package containers-0.2.0.0 ... linking ... done.
Loading package pretty-1.0.1.0 ... linking ... done.
Loading package template-haskell ... linking ... done.
Linking main.exe ...
C:\ghc\ghc-6.10.0.20080925\bin/windres: CreateProcess (null): Invalid
argument

Works in 6.8.3

Trac metadata

Trac field	Value
Version	6.9
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	Compiler
Test case
Differential revisions
BlockedBy
Related
Blocking
CC
Operating system	Unknown
Architecture	Unknown