src/share/vm/opto/output.cpp

@@ -724,10 +724,11 @@
   MachCallNode      *mcall;
 
   int safepoint_pc_offset = current_offset;
   bool is_method_handle_invoke = false;
   bool return_oop = false;
+  bool return_vt = false;
 
   // Add the safepoint in the DebugInfoRecorder
   if( !mach->is_MachCall() ) {
     mcall = NULL;
     debug_info()->add_safepoint(safepoint_pc_offset, sfn->_oop_map);

@@ -744,10 +745,13 @@
 
     // Check if a call returns an object.
     if (mcall->returns_pointer()) {
       return_oop = true;
     }
+    if (mcall->returns_vt()) {
+      return_vt = true;
+    }
     safepoint_pc_offset += mcall->ret_addr_offset();
     debug_info()->add_safepoint(safepoint_pc_offset, mcall->_oop_map);
   }
 
   // Loop over the JVMState list to add scope information

@@ -858,11 +862,11 @@
     assert(jvms->bci() >= InvocationEntryBci && jvms->bci() <= 0x10000, "must be a valid or entry BCI");
     assert(!jvms->should_reexecute() || depth == max_depth, "reexecute allowed only for the youngest");
     // Now we can describe the scope.
     methodHandle null_mh;
     bool rethrow_exception = false;
-    debug_info()->describe_scope(safepoint_pc_offset, null_mh, scope_method, jvms->bci(), jvms->should_reexecute(), rethrow_exception, is_method_handle_invoke, return_oop, locvals, expvals, monvals);
+    debug_info()->describe_scope(safepoint_pc_offset, null_mh, scope_method, jvms->bci(), jvms->should_reexecute(), rethrow_exception, is_method_handle_invoke, return_oop, return_vt, locvals, expvals, monvals);
   } // End jvms loop
 
   // Mark the end of the scope set.
   debug_info()->end_safepoint(safepoint_pc_offset);
 }