Put PushArgument into the environment instead of raw values.

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 e571cb2a1603c292e28291d3227103735d463113..2baacc350c253a119d09224cea3cee929f435acd 100644
--- a/runtime/vm/intermediate_language_x64.cc
+++ b/runtime/vm/intermediate_language_x64.cc
@@ -1778,15 +1778,13 @@ void DoubleBinaryOpComp::EmitNativeCode(FlowGraphCompiler* compiler) {
                          PcDescriptors::kOther);
   // Newly allocated object is now in the result register (RAX).
   ASSERT(result == RAX);
-  __ popq(right);
-  __ popq(left);
+  __ movq(right, Address(ESP, 0));
+  __ movq(left, Address(ESP, kWordSize));
 
   Label* deopt = compiler->AddDeoptStub(instance_call()->deopt_id(),
                                         instance_call()->token_pos(),
                                         instance_call()->try_index(),
-                                        kDeoptDoubleBinaryOp,
-                                        left,
-                                        right);
+                                        kDeoptDoubleBinaryOp);
 
   // Binary operation of two Smi's produces a Smi not a double.
   __ movq(temp, left);
@@ -1806,6 +1804,8 @@ void DoubleBinaryOpComp::EmitNativeCode(FlowGraphCompiler* compiler) {
   }
 
   __ movsd(FieldAddress(result, Double::value_offset()), XMM0);
+
+  __ Drop(2);
 }