X-Git-Url: https://git.saurik.com/bison.git/blobdiff_plain/f16b08196c780556cbf50691e2944960aebc46f6..a565f732762ab6f5918805a306c7a4d17e2b8da7:/lib/lbitset.c

diff --git a/lib/lbitset.c b/lib/lbitset.c
index 9a6fc0ae..aa19f45d 100644
--- a/lib/lbitset.c
+++ b/lib/lbitset.c
@@ -1,5 +1,8 @@
 /* Functions to support link list bitsets.
-   Copyright (C) 2002, 2003, 2004, 2006 Free Software Foundation, Inc.
+
+   Copyright (C) 2002-2004, 2006, 2009-2012 Free Software Foundation,
+   Inc.
+
    Contributed by Michael Hayes (m.hayes@elec.canterbury.ac.nz).
 
    This program is free software: you can redistribute it and/or modify
@@ -349,7 +352,7 @@ lbitset_elt_find (bitset bset, bitset_windex windex,
 
       /* ELT is the nearest to the one we want.  If it's not the one
 	 we want, the one we want does not exist.  */
-      if (elt && (windex - elt->index) < LBITSET_ELT_WORDS)
+      if (windex - elt->index < LBITSET_ELT_WORDS)
 	{
 	  bset->b.cindex = elt->index;
 	  bset->b.csize = LBITSET_ELT_WORDS;
@@ -933,17 +936,12 @@ lbitset_ones (bitset dst)
 static void
 lbitset_not (bitset dst, bitset src)
 {
-  lbitset_elt *elt;
   lbitset_elt *selt;
   lbitset_elt *delt;
   bitset_windex i;
   unsigned int j;
   bitset_windex windex;
 
-  /* This is another unfriendly operation for a linked list
-     bitset!  */
-  elt = LBITSET_TAIL (dst);
-
   windex = (BITSET_SIZE_ (dst) + BITSET_WORD_BITS - 1) / BITSET_WORD_BITS;
 
   for (i = 0; i < windex; i += LBITSET_ELT_WORDS)