X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=compiler%2Fmain%2FHscTypes.lhs;h=18cac804b63d87a39469e3b347c1c30161e127af;hb=ee2623c8841a3a26c37bd7695a7db7be5d7e3a7f;hp=9197df53a0af239ea05d651bab443f406acca104;hpb=25ed0cf7d4c2fbf9e455405f0a8525e0ae27b4e7;p=ghc-hetmet.git

diff --git a/compiler/main/HscTypes.lhs b/compiler/main/HscTypes.lhs
index 9197df5..18cac80 100644
--- a/compiler/main/HscTypes.lhs
+++ b/compiler/main/HscTypes.lhs
@@ -1854,7 +1854,8 @@ type OrigIParamCache = FiniteMap (IPName OccName) (IPName Name)
 -- There will be a node for each source module, plus a node for each hi-boot
 -- module.
 --
--- The graph is not necessarily stored in topologically-sorted order.
+-- The graph is not necessarily stored in topologically-sorted order.  Use
+-- 'GHC.topSortModuleGraph' and 'Digraph.flattenSCC' to achieve this.
 type ModuleGraph = [ModSummary]
 
 emptyMG :: ModuleGraph