Add enumeration to specify if smi check needed

src/x64/macro-assembler-x64.cc

Index: src/x64/macro-assembler-x64.cc
diff --git a/src/x64/macro-assembler-x64.cc b/src/x64/macro-assembler-x64.cc
index 2ce4658b6d68021281a5d972e0a7af35398c31d1..185c3a56a518e8039c7edda6358de4d135eec815 100644
--- a/src/x64/macro-assembler-x64.cc
+++ b/src/x64/macro-assembler-x64.cc
@@ -2561,8 +2561,8 @@ void MacroAssembler::CmpInstanceType(Register map, InstanceType type) {
 void MacroAssembler::CheckMap(Register obj,
                               Handle<Map> map,
                               Label* fail,
-                              bool is_heap_object) {
-  if (!is_heap_object) {
+                              SmiCheckType smi_check_type) {
+  if (smi_check_type == DO_SMI_CHECK) {
     JumpIfSmi(obj, fail);
   }
   Cmp(FieldOperand(obj, HeapObject::kMapOffset), map);
@@ -3602,7 +3602,7 @@ void MacroAssembler::LoadGlobalFunctionInitialMap(Register function,
   movq(map, FieldOperand(function, JSFunction::kPrototypeOrInitialMapOffset));
   if (emit_debug_code()) {
     Label ok, fail;
-    CheckMap(map, isolate()->factory()->meta_map(), &fail, false);
+    CheckMap(map, isolate()->factory()->meta_map(), &fail, DO_SMI_CHECK);
     jmp(&ok);
     bind(&fail);
     Abort("Global functions must have initial map");