message: [gbc] Treat Haskell warnings as errors
diff: @@ -47,7 +47,7 @@ library
  shakespeare >= 2.0,
  text >= 0.11,
  unordered-containers >= 0.2.3.0
  - ghc-options: -Wall
  + ghc-options: -Wall -Werror
  exposed-modules: Language.Bond.Parser
  Language.Bond.Util
  Language.Bond.Syntax.Types
  @@ -88,7 +88,7 @@ test-suite gbc-tests
  Tests.Codegen.Util
  Tests.Syntax
  Tests.Syntax.JSON
  - ghc-options: -threaded -Wall
  + ghc-options: -threaded -Wall -Werror
  if os(windows) && arch(i386)
  ld-options: -Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware
  @@ -121,7 +121,7 @@ executable gbc
  main-is: Main.hs
  other-modules: IO
  Options
  - ghc-options: -threaded -Wall
  + ghc-options: -threaded -Wall -Werror
  if os(windows) && arch(i386)
  ld-options: -Wl,--dynamicbase -Wl,--nxcompat -Wl,--large-address-aware
  