# HG changeset patch
# User Tom Rodriguez <tom.rodriguez@oracle.com>
# Date 1410257663 -7200
# Node ID 899dd861f081cd83d320fb9d678cdbeb5f6605e8
# Parent  1d69b5c58bfefaf69dea2b34231555b57c99e52b
Update comment about usages of streams

diff -r 1d69b5c58bfe -r 899dd861f081 graal/com.oracle.graal.phases/src/com/oracle/graal/phases/graph/FixedNodeProbabilityCache.java
--- a/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/graph/FixedNodeProbabilityCache.java	Tue Sep 09 11:53:53 2014 +0200
+++ b/graal/com.oracle.graal.phases/src/com/oracle/graal/phases/graph/FixedNodeProbabilityCache.java	Tue Sep 09 12:14:23 2014 +0200
@@ -104,7 +104,11 @@
             if (current instanceof MergeNode) {
                 MergeNode currentMerge = (MergeNode) current;
                 NodeInputList<AbstractEndNode> currentForwardEnds = currentMerge.forwardEnds();
-                // Using simple iteration instead of lambda as the lambda blows up the stack
+                /*
+                 * Use simple iteration instead of streams, since the stream infrastructure adds
+                 * many frames which causes the recursion to overflow the stack earlier than it
+                 * would otherwise.
+                 */
                 for (AbstractEndNode endNode : currentForwardEnds) {
                     probability += applyAsDouble(endNode);
                 }