Fix comment-after-context

data/15-regressions.blt

@@ -929,3 +929,10 @@ alignColsLines layoutBriDocM bridocs = do -- colInfos `forM_` \colInfo -> do
                             -- contains nonempty Seqs.
       colAggregation xs = maximum [ x | x <- xs, x <= minimum xs + alignMax' ]
         where alignMax' = max 0 alignMax
+
+#test type-signature comment-after-context
+tzejubuVxairoy
+  :: (VwzuyApikd.VwzuyApikd zub, ZxtbaKospaKwqnuw Defg.Xeqpgko.Xeqpgko m)
+  -- foo bar
+  => CUR.Ozuzcak zub
+  -> m ()

source/library/Language/Haskell/Brittany/Internal/ToBriDoc/Type.hs

@@ -37,12 +37,18 @@ splitArrowType ltype@(L _ typ) = case typ of
     splitHsForallTypeFromBinders (getBinders hsf) typ1
   HsQualTy NoExtField ctxMay typ1 -> do
     (innerHead, innerBody) <- splitArrowType typ1
+    (wrapCtx, cntxtDocs) <- case ctxMay of
+      Nothing         -> pure (id, [])
+      Just (L (SrcSpanAnn epAnn _) ctxs) -> do
+        let wrap = case epAnn of
+              EpAnn _ (AnnContext (Just (_, loc)) _ _) _ ->
+                docFlushCommsPost False (Just $ epaLocationRealSrcSpanStart loc)
+                  . docHandleComms epAnn
+              _ -> docHandleComms epAnn
+        x <- ctxs `forM` (shareDoc . layoutType)
+        pure (wrap, x)
     pure
-      $ ( do
-          cntxtDocs <- case ctxMay of
-            Nothing         -> pure []
-            Just (L _ ctxs) -> ctxs `forM` (shareDoc . layoutType)
-          case cntxtDocs of
+      $ ( wrapCtx $ case cntxtDocs of
             []   -> docLit $ Text.pack "()"
             [x]  -> x
             docs -> docAlt