STM causes program to suddenly exit

Observed behavior:

• The below program exits with return code 0 between the call to 'error "derp2"' and the call to 'error "derp"'
• If the statement 'error "derp2"' is uncommented, the program will terminate with an exception.
• The program only exits without output with -O. And in particular, with no-ignore-interface-pragmas.

Expected behavior:

• The program should terminate with an exception regardless of whether 'error "derp2"' is commented out or not.

module Main where

import Control.Concurrent.STM
import Control.Concurrent.STM.TVar

data A = A String deriving (Eq, Show)

data E = E {
  a :: TVar [Int],
  b :: TVar A,
  c :: TVar [Int]
  }

consistency_1 :: E -> STM Bool
consistency_1 = \e -> do
  _ <- readTVar $ c e
  return True

installSanityChecks :: E -> IO ()
installSanityChecks e = do
  x e
  error "derp"
  
x e = do
  atomically $ mapM_ installCheck [
    consistency_1
    ]
  -- error "derp2"
  where
    installCheck check = always $ check e

main :: IO ()
main = do
  state <- initialize
  installSanityChecks state

initialize :: IO E
initialize = E <$> newTVarIO [] <*> newTVarIO (A "USD") <*> newTVarIO []

Build options: (Remove -O and it will show the error)

/home/mburge/tmp/ghc/ghc-8.2.1/build/bin/ghc \
    -O \
    -package-id base-4.10.0.0 \
    -package-id stm-2.4.4.1-2iQ3ZIiQ6vc4AnCVcs8oMd \
    app/Main.hs \
    -package-db /home/mburge/.stack/snapshots/x86_64-linux/nightly-2017-08-24/8.2.1/pkgdb

I used a fresh copy of GHC installed from here: https://www.haskell.org/ghc/download.html

Trac metadata

Trac field	Value
Version	8.2.1
Type	Bug
TypeOfFailure	OtherFailure
Priority	normal
Resolution	Unresolved
Component	libraries/stm
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