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test/jdk/valhalla/valuetypes/RecursiveValueClass.java

@@ -280,6 +280,8 @@ private static N build() {
     public void largeGraph() {
         N node = build();
         long start = System.nanoTime();
+        // With the alternate isSubstitutable() method, type recursion is handled differently
+        // and the line below won't throw a SOE
         assertThrows(StackOverflowError.class, () -> { boolean v = node.l == node.r; });
         assertThrows(StackOverflowError.class, () -> { int hc = node.hashCode(); });
         System.out.format("testing large graph: %d ms%n", (System.nanoTime() - start) / 1000);