Fix deoptimzation bug in hoisting smi operation out of loops.

runtime/vm/intermediate_language_x64.cc

Index: runtime/vm/intermediate_language_x64.cc
===================================================================
--- runtime/vm/intermediate_language_x64.cc	(revision 14014)
+++ runtime/vm/intermediate_language_x64.cc	(working copy)
@@ -1560,7 +1560,7 @@
   ASSERT(left == result);
   Label* deopt = NULL;
   if (CanDeoptimize()) {
-    deopt = compiler->AddDeoptStub(instance_call()->deopt_id(),
+    deopt = compiler->AddDeoptStub(deopt_id(),
                                    kDeoptBinarySmiOp);
   }
 
@@ -1727,7 +1727,7 @@
         __ pushq(temp);
         __ pushq(right);
         compiler->GenerateStaticCall(
-            instance_call()->deopt_id(),
+            deopt_id(),
             instance_call()->token_pos(),
             target,
             kArgumentCount,
@@ -1941,7 +1941,7 @@
   ASSERT(value == locs()->out().reg());
   switch (op_kind()) {
     case Token::kNEGATE: {
-      Label* deopt = compiler->AddDeoptStub(instance_call()->deopt_id(),
+      Label* deopt = compiler->AddDeoptStub(deopt_id(),
                                             kDeoptUnaryOp);
       __ negq(value);
       __ j(OVERFLOW, deopt);