Original patch from gentoo: gentoo/src/patchsets/gdb/6.7.1/50_all_gdb-deleted-children.patch

 -= BEGIN original header =-

 http://bugs.gentoo.org/210636

 http://sourceware.org/ml/gdb-patches/2007-11/msg00136.html

 2007-11-07  Vladimir Prus  <vladimir@codesourcery.com>

 	Fix crash when a variable object being deleted

 	has any of its children deleted previously.

 	* varobj.c (delete_variable_1): Don't recurse

 	into deleted children.

 -= END original header =-

 diff -durN gdb-6.7.1.orig/gdb/varobj.c gdb-6.7.1/gdb/varobj.c

 --- gdb-6.7.1.orig/gdb/varobj.c	2007-08-31 21:01:17.000000000 +0200

 +++ gdb-6.7.1/gdb/varobj.c	2008-06-17 23:27:45.000000000 +0200

 @@ -1295,6 +1295,8 @@

    for (i = 0; i < VEC_length (varobj_p, var->children); ++i)

      {   

        varobj_p child = VEC_index (varobj_p, var->children, i);

 +      if (!child)

 +	continue;

        if (!remove_from_parent_p)

  	child->parent = NULL;

        delete_variable_1 (resultp, delcountp, child, 0, only_children_p);