--- a/src/hotspot/cpu/x86/c1_LIRAssembler_x86.cpp	Thu Feb 01 14:19:04 2018 -0800
+++ b/src/hotspot/cpu/x86/c1_LIRAssembler_x86.cpp	Wed Jan 31 16:09:29 2018 -0800
@@ -3504,7 +3504,7 @@
   ciMethodData* md = method->method_data_or_null();
   assert(md != NULL, "Sanity");
   ciProfileData* data = md->bci_to_data(bci);
-  assert(data->is_CounterData(), "need CounterData for calls");
+  assert(data != NULL && data->is_CounterData(), "need CounterData for calls");
   assert(op->mdo()->is_single_cpu(),  "mdo must be allocated");
   Register mdo  = op->mdo()->as_register();
   __ mov_metadata(mdo, md->constant_encoding());