Test Trac #7851

tests/typecheck/should_fail/T7851.hs

@@ -0,0 +1,6 @@
+module T7851 where
+
+import Control.Monad.Trans.State
+
+bar = do print
+         print "Hello"

tests/typecheck/should_fail/T7851.stderr

@@ -0,0 +1,8 @@
+
+T7851.hs:5:10:
+    Couldn't match expected type ‛IO a0’ with actual type ‛a1 -> IO ()’
+    Probable cause: ‛print’ is applied to too few arguments
+    In a stmt of a 'do' block: print
+    In the expression:
+      do { print;
+           print "Hello" }

tests/typecheck/should_fail/all.T

@@ -305,3 +305,4 @@ test('TcNoNullaryTC', when(compiler_lt('ghc', '7.7'), skip), compile_fail, [''])
 test('TcNullaryTCFail', when(compiler_lt('ghc', '7.7'), skip), compile_fail, [''])
 test('T7857', normal, compile_fail, [''])
 test('T7778', normal, compile_fail, [''])
+test('T7851', normal, compile_fail, [''])