--- old/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp	2019-01-15 22:00:16.024826329 -0800
+++ new/src/hotspot/cpu/x86/c1_Runtime1_x86.cpp	2019-01-15 22:00:15.840819564 -0800
@@ -1318,11 +1318,17 @@
       break;
 
     case throw_incompatible_class_change_error_id:
-      { StubFrame f(sasm, "throw_incompatible_class_cast_exception", dont_gc_arguments);
+      { StubFrame f(sasm, "throw_incompatible_class_change_error", dont_gc_arguments);
         oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_incompatible_class_change_error), false);
       }
       break;
 
+    case throw_illegal_monitor_state_exception_id:
+      { StubFrame f(sasm, "throw_illegal_monitor_state_exception", dont_gc_arguments);
+        oop_maps = generate_exception_throw(sasm, CAST_FROM_FN_PTR(address, throw_illegal_monitor_state_exception), false);
+      }
+      break;
+
     case slow_subtype_check_id:
       {
         // Typical calling sequence: