remove dead code... loop entrance condition is i<backtrack.size(). Therefore,

this branch can never be taken.  remove it as it is confusing.

diff --git a/nodestack.cc b/nodestack.cc
index 2416ed7c5b35d23deadd2f2681cd890a926e7f98..131452d8f8e220200b04c43be926232348afadbd 100644 (file)
--- a/nodestack.cc
+++ b/nodestack.cc
@@ -109,8 +109,6 @@ thread_id_t Node::get_next_backtrack()
        for (i = 0; i < backtrack.size(); i++)
                if (backtrack[i] == true)
                        break;
-       if (i >= backtrack.size())
-               return THREAD_ID_T_NONE;
        backtrack[i] = false;
        numBacktracks--;
        return int_to_id(i);