diff -r 141ffb78d088 -r f4e6c593ba73 hotspot/src/share/vm/opto/domgraph.cpp
--- a/hotspot/src/share/vm/opto/domgraph.cpp	Wed Oct 07 06:56:58 2015 -0400
+++ b/hotspot/src/share/vm/opto/domgraph.cpp	Thu Oct 08 12:10:19 2015 +0200
@@ -506,7 +506,7 @@
 // Perform DFS search.  Setup 'vertex' as DFS to vertex mapping.  Setup
 // 'semi' as vertex to DFS mapping.  Set 'parent' to DFS parent.
 int NTarjan::DFS( NTarjan *ntarjan, VectorSet &visited, PhaseIdealLoop *pil, uint *dfsorder) {
-  // Allocate stack of size C->unique()/8 to avoid frequent realloc
+  // Allocate stack of size C->live_nodes()/8 to avoid frequent realloc
   GrowableArray <Node *> dfstack(pil->C->live_nodes() >> 3);
   Node *b = pil->C->root();
   int dfsnum = 1;