Stack bug report with preprocessed file

Setup.hs

import Distribution.Simple (defaultMainWithHooks)
import Distribution.Simple.UUAGC (uuagcLibUserHook)
import UU.UUAGC (uuagc)

main :: IO ()
main = defaultMainWithHooks $
         uuagcLibUserHook uuagc

stack-bug-report.cabal

name:
  stack-bug-report
version:
  0.1.0.0
license:
  BSD3

cabal-version:
  >= 1.16

build-type: Custom

extra-source-files:
  Test.ag

custom-setup
  setup-depends:
    base >= 4.7,
    Cabal >= 1.16,
    uuagc,
    uuagc-cabal

library
  exposed-modules:
    Test
  hs-source-dirs:
    .
  build-depends:
    base >= 4.7
  default-language:
    Haskell2010
  ghc-options:
    -Wall

stack.yaml

resolver: lts-11.0

packages:
  - "."

extra-deps:
  - uuagc-0.9.52.1
  - uuagc-cabal-1.1.0.0
  - uulib-0.9.23

Test.ag

module {Test}
{
-- exports
module Test
}
{
-- imports
}

data Tree
  | Node  left  :: Tree
          right :: Tree
  | Tip   value :: Int

attr Tree
   syn sum :: Int

sem Tree
  | Node  lhs.sum  =  @left.sum + @right.sum
  | Tip   lhs.sum  =  @value

{

testTree :: Tree
testTree = Node (Tip 1) (Node (Tip 2) (Tip 3))

test :: Int
test = sem_Tree testTree
}

uuagc_options

-- The file that defines the ADT(s)
file : "Test.ag"
options :
    haskellsyntax,

    -- The data option exists because we want UUAGC to actually generate
    -- a data definition from that description
    data,

    -- Optional: all fields in the data definition(s) are strict
    strictdata,

    -- The following two options have the compiler generate functions to access
    -- the attributes from the outside
    catas,
    semfuns,
    wrappers,
    -- generate signatures for semantic functions
    signatures,
    -- optimize generated code
    optimize,

    pretty