diff --git a/src/share/vm/opto/escape.cpp b/src/share/vm/opto/escape.cpp
index 77c49ba7267b951b921ff8361250e0203f45d02f..ac8217382da2e3c1473c1708ce8f906fb708fb0e 100644
--- a/src/share/vm/opto/escape.cpp
+++ b/src/share/vm/opto/escape.cpp
@@ -2114,6 +2114,9 @@ bool ConnectionGraph::not_global_escape(Node *n) {
     return false;
   }
   PointsToNode* ptn = ptnode_adr(idx);
+  if (ptn == NULL) {
+    return false; // not in congraph (e.g. ConI)
+  }
   PointsToNode::EscapeState es = ptn->escape_state();
   // If we have already computed a value, return it.
   if (es >= PointsToNode::GlobalEscape)