Fix push parsing memory leak reported by Brandon Lucia at

[bison.git] / src / closure.c

diff --git a/src/closure.c b/src/closure.c
index a12e9622e51b83190947333924ebd4744913644b..a6cc784a49c837d100c6fa9e053d001804bdb9db 100644 (file)
--- a/src/closure.c
+++ b/src/closure.c
@@ -1,6 +1,6 @@
 /* Closures for Bison
 
 /* Closures for Bison
 

-   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2004, 2005 Free
+   Copyright (C) 1984, 1989, 2000, 2001, 2002, 2004, 2005, 2007 Free

    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.
    Software Foundation, Inc.
 
    This file is part of Bison, the GNU Compiler Compiler.


@@ -213,6 +213,8 @@ closure (item_number *core, size_t n)
     if (ISVAR (ritem[core[c]]))
       bitset_or (ruleset, ruleset, FDERIVES (ritem[core[c]]));
 
     if (ISVAR (ritem[core[c]]))
       bitset_or (ruleset, ruleset, FDERIVES (ritem[core[c]]));
 

+  /* core is sorted on item index in ritem, which is sorted on rule number.
+     Compute itemset with the same sort.  */

   nitemset = 0;
   c = 0;
   BITSET_FOR_EACH (iter, ruleset, ruleno, 0)
   nitemset = 0;
   c = 0;
   BITSET_FOR_EACH (iter, ruleset, ruleno, 0)