X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FSchedule.c;h=97923022b44b44f727bc59a62b118f989d5332ac;hb=de75026f5a48d3d052135a973ab4dff76c5b20f5;hp=e82115bc2997a2380369c4e1ca790bfb58532e6a;hpb=e8d7985d56595f6b8004546bedc41627ca70c528;p=ghc-hetmet.git

diff --git a/rts/Schedule.c b/rts/Schedule.c
index e82115b..9792302 100644
--- a/rts/Schedule.c
+++ b/rts/Schedule.c
@@ -285,7 +285,9 @@ schedule (Capability *initialCapability, Task *task)
 
   if (running_finalizers) {
       errorBelch("error: a C finalizer called back into Haskell.\n"
-                 "   use Foreign.Concurrent.newForeignPtr for Haskell finalizers.");
+                 "   This was previously allowed, but is disallowed in GHC 6.10.2 and later.\n"
+                 "   To create finalizers that may call back into Haskll, use\n"
+                 "   Foreign.Concurrent.newForeignPtr instead of Foreign.newForeignPtr.");
       stg_exit(EXIT_FAILURE);
   }