Remove harmony-atomics flag and collapse it into sharedarraybuffer flag

src/bootstrapper.cc

 // Copyright 2014 the V8 project authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "src/bootstrapper.h"
 
 #include "src/accessors.h"
 #include "src/api-natives.h"
 #include "src/base/utils/random-number-generator.h"
 #include "src/code-stubs.h"
@@ skipping 1826 matching lines @@
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy_function)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_sloppy_let)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_rest_parameters)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_default_parameters)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_spreadcalls)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_destructuring)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_object)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_object_observe)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_spread_arrays)
-EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_atomics)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_new_target)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_concat_spreadable)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_regexps)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_unicode_regexps)
 EMPTY_INITIALIZE_GLOBAL_FOR_FEATURE(harmony_tostring)
 
 
 void Genesis::InitializeGlobal_harmony_reflect() {
   if (!FLAG_harmony_reflect) return;
 
@@ skipping 625 matching lines @@
                                                   nullptr};
   static const char* harmony_spreadcalls_natives[] = {
       "native harmony-spread.js", nullptr};
   static const char* harmony_destructuring_natives[] = {nullptr};
   static const char* harmony_object_natives[] = {"native harmony-object.js",
                                                  NULL};
   static const char* harmony_object_observe_natives[] = {
       "native harmony-object-observe.js", nullptr};
   static const char* harmony_spread_arrays_natives[] = {nullptr};
   static const char* harmony_sharedarraybuffer_natives[] = {
-      "native harmony-sharedarraybuffer.js", NULL};
-  static const char* harmony_atomics_natives[] = {"native harmony-atomics.js",
-                                                  nullptr};
+      "native harmony-sharedarraybuffer.js", "native harmony-atomics.js", NULL};
   static const char* harmony_new_target_natives[] = {nullptr};
   static const char* harmony_concat_spreadable_natives[] = {
       "native harmony-concat-spreadable.js", nullptr};
   static const char* harmony_simd_natives[] = {"native harmony-simd.js",
                                                nullptr};
 
   for (int i = ExperimentalNatives::GetDebuggerCount();
        i < ExperimentalNatives::GetBuiltinsCount(); i++) {
 #define INSTALL_EXPERIMENTAL_NATIVES(id, desc)                                \
   if (FLAG_##id) {                                                            \
@@ skipping 96 matching lines @@
 
   for (const BuiltinFunctionIds& builtin : builtins) {
     Handle<JSObject> holder =
         ResolveBuiltinIdHolder(native_context(), builtin.holder_expr);
     InstallBuiltinFunctionId(holder, builtin.fun_name, builtin.id);
   }
 }
 
 
 void Genesis::InstallExperimentalBuiltinFunctionIds() {
-  if (FLAG_harmony_atomics) {
+  if (FLAG_harmony_sharedarraybuffer) {
     struct BuiltinFunctionIds {
       const char* holder_expr;
       const char* fun_name;
       BuiltinFunctionId id;
     };
 
     const BuiltinFunctionIds atomic_builtins[] = {
         ATOMIC_FUNCTIONS_WITH_ID_LIST(INSTALL_BUILTIN_ID)};
 
     for (const BuiltinFunctionIds& builtin : atomic_builtins) {
@@ skipping 567 matching lines @@
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 }  // namespace internal
 }  // namespace v8