src/os/windows/vm/os_windows.cpp

@@ -2364,11 +2364,13 @@
   PEXCEPTION_RECORD exceptionRecord = exceptionInfo->ExceptionRecord;
   address addr = (address) exceptionRecord->ExceptionInformation[1];
   if (Interpreter::contains(pc)) {
     *fr = os::fetch_frame_from_context((void*)exceptionInfo->ContextRecord);
     if (!fr->is_first_java_frame()) {
-      assert(fr->safe_for_sender(thread), "Safety check");
+      // get_frame_at_stack_banging_point() is only called when we
+      // have well defined stacks so java_sender() calls do not need
+      // to assert safe_for_sender() first.
       *fr = fr->java_sender();
     }
   } else {
     // more complex code with compiled code
     assert(!Interpreter::contains(pc), "Interpreted methods should have been handled above");

@@ -2381,11 +2383,13 @@
       *fr = os::fetch_frame_from_context((void*)exceptionInfo->ContextRecord);
       // in compiled code, the stack banging is performed just after the return pc
       // has been pushed on the stack
       *fr = frame(fr->sp() + 1, fr->fp(), (address)*(fr->sp()));
       if (!fr->is_java_frame()) {
-        assert(fr->safe_for_sender(thread), "Safety check");
+        // get_frame_at_stack_banging_point() is only called when we
+        // have well defined stacks so java_sender() calls do not need
+        // to assert safe_for_sender() first.
         *fr = fr->java_sender();
       }
     }
   }
   assert(fr->is_java_frame(), "Safety check");