diff options
Diffstat (limited to 'testsuite/tests/deriving/should_fail/T4083.stderr')
| -rw-r--r-- | testsuite/tests/deriving/should_fail/T4083.stderr | 7 |
1 files changed, 7 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_fail/T4083.stderr b/testsuite/tests/deriving/should_fail/T4083.stderr new file mode 100644 index 0000000000..299e8d83c2 --- /dev/null +++ b/testsuite/tests/deriving/should_fail/T4083.stderr @@ -0,0 +1,7 @@ + +T4083.hs:14:1: error: + • Can't make a derived instance of ‘C (F [a])’ + (even with cunning GeneralizedNewtypeDeriving): + the class has associated data types + • In the stand-alone deriving instance for + ‘C (Maybe a) => C (F [a])’ |