Remove more uses of the deprecated EnumSet template class.

src/x64/full-codegen-x64.cc

Index: src/x64/full-codegen-x64.cc
diff --git a/src/x64/full-codegen-x64.cc b/src/x64/full-codegen-x64.cc
index ef8c15087fe292930e5322509eccd9be17b7b4cd..f8bf8849fa255bb6a533d35335391008a50df1da 100644
--- a/src/x64/full-codegen-x64.cc
+++ b/src/x64/full-codegen-x64.cc
@@ -4972,13 +4972,15 @@ void FullCodeGenerator::VisitCountOperation(CountOperation* expr) {
       }
     }
 
-    SmiOperationExecutionMode mode;
-    mode.Add(PRESERVE_SOURCE_REGISTER);
-    mode.Add(BAILOUT_ON_NO_OVERFLOW);
+    SmiOperationConstraints constraints =
+        SmiOperationConstraint::kPreserveSourceRegister |
+        SmiOperationConstraint::kBailoutOnNoOverflow;
     if (expr->op() == Token::INC) {
-      __ SmiAddConstant(rax, rax, Smi::FromInt(1), mode, &done, Label::kNear);
+      __ SmiAddConstant(rax, rax, Smi::FromInt(1), constraints, &done,
+                        Label::kNear);
     } else {
-      __ SmiSubConstant(rax, rax, Smi::FromInt(1), mode, &done, Label::kNear);
+      __ SmiSubConstant(rax, rax, Smi::FromInt(1), constraints, &done,
+                        Label::kNear);
     }
     __ jmp(&stub_call, Label::kNear);
     __ bind(&slow);