[project @ 2001-08-08 08:44:47 by simonmar]

[ghc-hetmet.git] / ghc / rts / BlockAlloc.c

diff --git a/ghc/rts/BlockAlloc.c b/ghc/rts/BlockAlloc.c
index e6a176b..6186671 100644 (file)
--- a/ghc/rts/BlockAlloc.c
+++ b/ghc/rts/BlockAlloc.c
@@ -1,5 +1,5 @@
 /* -----------------------------------------------------------------------------
- * $Id: BlockAlloc.c,v 1.8 2001/07/23 10:47:16 simonmar Exp $
+ * $Id: BlockAlloc.c,v 1.9 2001/07/23 17:23:19 simonmar Exp $
  *
  * (c) The GHC Team 1998-2000
  * 
@@ -63,6 +63,8 @@ allocGroup(nat n)
   void *mblock;
   bdescr *bd, **last;
 
+  ASSERT(n != 0);
+
   if (n > BLOCKS_PER_MBLOCK) {
     return allocMegaGroup(BLOCKS_TO_MBLOCKS(n));
   }