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
 
-   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.
@@ -213,6 +213,8 @@ closure (item_number *core, size_t n)
     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)