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Diffstat (limited to 'testsuite/tests/driver/werror.hs')
| -rw-r--r-- | testsuite/tests/driver/werror.hs | 13 |
1 files changed, 13 insertions, 0 deletions
diff --git a/testsuite/tests/driver/werror.hs b/testsuite/tests/driver/werror.hs new file mode 100644 index 0000000000..ddfa8449d6 --- /dev/null +++ b/testsuite/tests/driver/werror.hs @@ -0,0 +1,13 @@ +{-# OPTIONS_GHC -Wall -fwarn-tabs -Werror #-} + +-- check that all warnings are emitted before failing due to -Werror (#1666) + +-- missing type sig warning (type checker) +main = do + let main = main -- shadowing warning (renamer) + putStrLn "hello" -- tab warning (lexer) + +f [] = [] +f [] = [] -- overlapping pattern +-- incomplete pattern + |