X-Git-Url: http://git.megacz.com/?a=blobdiff_plain;f=rts%2FStable.c;fp=rts%2FStable.c;h=0ed18bcec2c94992a7af8e7b6d7d4b186944b724;hb=6015a94f9108a502150565577b66c23650796639;hp=e5e8dfbdd0fad046a7944d680e2c929c9c2fe7f0;hpb=04d444716b2e5415fb8f13771e49f1192ef8c8f8;p=ghc-hetmet.git

diff --git a/rts/Stable.c b/rts/Stable.c
index e5e8dfb..0ed18bc 100644
--- a/rts/Stable.c
+++ b/rts/Stable.c
@@ -177,6 +177,9 @@ exitStablePtrTable(void)
 
 /*
  * get at the real stuff...remove indirections.
+ * It untags pointers before dereferencing and
+ * retags the real stuff with its tag (if there
+ * is any) when returning.
  *
  * ToDo: move to a better home.
  */
@@ -184,16 +187,18 @@ static
 StgClosure*
 removeIndirections(StgClosure* p)
 {
-  StgClosure* q = p;
+  StgWord tag = GET_CLOSURE_TAG(p);
+  StgClosure* q = UNTAG_CLOSURE(p);
 
   while (get_itbl(q)->type == IND ||
          get_itbl(q)->type == IND_STATIC ||
          get_itbl(q)->type == IND_OLDGEN ||
          get_itbl(q)->type == IND_PERM ||
          get_itbl(q)->type == IND_OLDGEN_PERM ) {
-      q = ((StgInd *)q)->indirectee;
+      tag = GET_CLOSURE_TAG(q);
+      q = UNTAG_CLOSURE(((StgInd *)q)->indirectee);
   }
-  return q;
+  return TAG_CLOSURE(tag,q);
 }
 
 static StgWord