Merge pull request #4826 from phadej/issue-2661

Fixes #2661. Add a regression test, issue is already fixed

Author: phadej

Cabal/tests/ParserTests/regressions/issue-774.cabal

@@ -14,3 +14,7 @@ cabal-version: >=1.10
 library
   default-language: Haskell2010
   exposed-modules:  Issue
+
+  -- Test for round-trip of ghc-options here too
+  -- See https://github.com/haskell/cabal/issues/2661
+  ghc-options: -Wall -threaded "-with-rtsopts=-N -s -M1G -c" -rtsopts

Cabal/tests/ParserTests/regressions/issue-774.format

@@ -15,4 +15,5 @@ build-type: Simple
 library
     exposed-modules:
         Issue
-    default-language: Haskell2010
+    default-language: Haskell2010
+    ghc-options: -Wall -threaded "-with-rtsopts=-N -s -M1G -c" -rtsopts