VM: Fix bug that can causes infinite opt/deopt loop.

runtime/vm/intermediate_language_x64.cc

Index: runtime/vm/intermediate_language_x64.cc
diff --git a/runtime/vm/intermediate_language_x64.cc b/runtime/vm/intermediate_language_x64.cc
index 28159eda0f537d6485092d0c8a9f1a78f87da0ce..9f87ca9873bfe48a4150676fe99328dd54cdf423 100644
--- a/runtime/vm/intermediate_language_x64.cc
+++ b/runtime/vm/intermediate_language_x64.cc
@@ -637,8 +637,11 @@ Condition TestCidsInstr::EmitComparisonCode(FlowGraphCompiler* compiler,
   Register val_reg = locs()->in(0).reg();
   Register cid_reg = locs()->temp(0).reg();
 
-  Label* deopt = CanDeoptimize() ?
-      compiler->AddDeoptStub(deopt_id(), ICData::kDeoptTestCids) : NULL;
+  Label* deopt = CanDeoptimize()
+      ? compiler->AddDeoptStub(deopt_id(),
+                               ICData::kDeoptTestCids,
+                               licm_hoisted_ ? ICData::kHoisted : 0)
+      : NULL;
 
   const intptr_t true_result = (kind() == Token::kIS) ? 1 : 0;
   const ZoneGrowableArray<intptr_t>& data = cid_results();