diff options
Diffstat (limited to 'testsuite/tests/deriving/should_fail/drvfail008.stderr')
| -rw-r--r-- | testsuite/tests/deriving/should_fail/drvfail008.stderr | 6 |
1 files changed, 6 insertions, 0 deletions
diff --git a/testsuite/tests/deriving/should_fail/drvfail008.stderr b/testsuite/tests/deriving/should_fail/drvfail008.stderr new file mode 100644 index 0000000000..9b56dfb1d7 --- /dev/null +++ b/testsuite/tests/deriving/should_fail/drvfail008.stderr @@ -0,0 +1,6 @@ +
+drvfail008.hs:10:43:
+ Can't make a derived instance of `Monad M':
+ `Monad' is not a derivable class
+ Try -XGeneralizedNewtypeDeriving for GHC's newtype-deriving extension
+ In the newtype declaration for `M'
|