--- a/hotspot/src/os/windows/vm/os_windows.cpp	Wed Jun 17 11:30:51 2015 -0400
+++ b/hotspot/src/os/windows/vm/os_windows.cpp	Wed Jun 17 15:45:43 2015 +0000
@@ -1369,11 +1369,12 @@
 }
 
 bool os::dll_address_to_function_name(address addr, char *buf,
-                                      int buflen, int *offset) {
+                                      int buflen, int *offset,
+                                      bool demangle) {
   // buf is not optional, but offset is optional
   assert(buf != NULL, "sanity check");
 
-  if (Decoder::decode(addr, buf, buflen, offset)) {
+  if (Decoder::decode(addr, buf, buflen, offset, demangle)) {
     return true;
   }
   if (offset != NULL)  *offset  = -1;