adds

Author: offamitkumar

src/hotspot/cpu/s390/frame_s390.inline.hpp

@@ -54,8 +54,10 @@ inline void frame::setup() {
     // The back link for compiled frames on the heap is not valid
     if (is_heap_frame()) {
       // fp for interpreted frames should have been derelativized and passed to the constructor
-      assert(is_compiled_frame(), "");
-      // TODO: I am not sure about back link part for this comment.
+      assert(is_compiled_frame()
+             || is_native_frame()   // native wrapper (nmethod) for j.l.Object::wait0
+             || is_runtime_frame(), // e.g. Runtime1::monitorenter, SharedRuntime::complete_monitor_locking_C
+             "sp:" PTR_FORMAT " fp:" PTR_FORMAT " name:%s", p2i(_sp), p2i(_unextended_sp + _cb->frame_size()), _cb->name());
       // The back link for compiled frames on the heap is invalid.
       _fp = _unextended_sp + _cb->frame_size();
     } else {