Do not eagerly instantiate accessors' JSFunction.

src/ic/x64/handler-compiler-x64.cc

Index: src/ic/x64/handler-compiler-x64.cc
diff --git a/src/ic/x64/handler-compiler-x64.cc b/src/ic/x64/handler-compiler-x64.cc
index 991180e00a0df23c902505e1caa8c487fec4614b..a119404a098ebadbe271c199fc404b27a2ca89bf 100644
--- a/src/ic/x64/handler-compiler-x64.cc
+++ b/src/ic/x64/handler-compiler-x64.cc
@@ -181,9 +181,16 @@ void PropertyHandlerCompiler::GenerateApiAccessorCall(
     call_data_undefined = true;
     __ LoadRoot(data, Heap::kUndefinedValueRootIndex);
   } else {
-    __ movp(data, FieldOperand(callee, JSFunction::kSharedFunctionInfoOffset));
-    __ movp(data, FieldOperand(data, SharedFunctionInfo::kFunctionDataOffset));
-    __ movp(data, FieldOperand(data, FunctionTemplateInfo::kCallCodeOffset));
+    if (optimization.is_constant_call()) {
+      __ movp(data,
+              FieldOperand(callee, JSFunction::kSharedFunctionInfoOffset));
+      __ movp(data,
+              FieldOperand(data, SharedFunctionInfo::kFunctionDataOffset));
+      __ movp(data, FieldOperand(data, FunctionTemplateInfo::kCallCodeOffset));
+    } else {
+      __ movp(data,
+              FieldOperand(callee, FunctionTemplateInfo::kCallCodeOffset));
+    }
     __ movp(data, FieldOperand(data, CallHandlerInfo::kDataOffset));
   }
 
@@ -200,7 +207,8 @@ void PropertyHandlerCompiler::GenerateApiAccessorCall(
           RelocInfo::EXTERNAL_REFERENCE);
 
   // Jump to stub.
-  CallApiAccessorStub stub(isolate, is_store, call_data_undefined);
+  CallApiAccessorStub stub(isolate, is_store, call_data_undefined,
+                           !optimization.is_constant_call());
   __ TailCallStub(&stub);
 }