error: use better locations for unused midrule values

[bison.git] / lib / lbitset.c

diff --git a/lib/lbitset.c b/lib/lbitset.c
index 9a6fc0aeebdf1dd0f7a4adfb4afa06fd942fdb21..aa19f45de30770e5138e380ad3660577bbf466f3 100644 (file)
--- 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)