--- old/src/hotspot/os_cpu/windows_x86/thread_windows_x86.cpp	2018-03-20 18:39:57.493051257 -0400
+++ new/src/hotspot/os_cpu/windows_x86/thread_windows_x86.cpp	2018-03-20 18:39:56.875993993 -0400
@@ -27,6 +27,12 @@
 #include "runtime/frame.inline.hpp"
 #include "runtime/thread.inline.hpp"
 
+frame JavaThread::pd_last_frame() {
+  assert(has_last_Java_frame(), "must have last_Java_sp() when suspended");
+  vmassert(_anchor.last_Java_pc() != NULL, "not walkable");
+  return frame(_anchor.last_Java_sp(), _anchor.last_Java_fp(), _anchor.last_Java_pc());
+}
+
 // For Forte Analyzer AsyncGetCallTrace profiling support - thread is
 // currently interrupted by SIGPROF
 bool JavaThread::pd_get_top_frame_for_signal_handler(frame* fr_addr,