--- old/src/share/vm/oops/symbol.hpp	2016-09-28 08:26:24.000000000 -0700
+++ new/src/share/vm/oops/symbol.hpp	2016-09-28 08:26:23.000000000 -0700
@@ -184,7 +184,15 @@
     return starts_with(prefix, (int) strlen(prefix));
   }
 
-  // Tests if the symbol starts with the given prefix.
+  // Tests if the symbol ends with the given suffix.
+  bool ends_with(const char* suffix, int len) const;
+  bool ends_with(const char* suffix) const {
+    return ends_with(suffix, (int) strlen(suffix));
+  }
+
+  // Returns index of the given substring in the symbol, starting
+  // at index 'i'.
+  // If the symbol doesn't contain the given substring, return -1.
   int index_of_at(int i, const char* str, int len) const;
   int index_of_at(int i, const char* str) const {
     return index_of_at(i, str, (int) strlen(str));