Unship ES6 iteration and unscopables on 3.28

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/code-stubs.h"
 #include "src/extensions/externalize-string-extension.h"
 #include "src/extensions/free-buffer-extension.h"
@@ skipping 103 matching lines @@
     }
     delete_these_arrays_on_tear_down_->Add(memory);
   }
   return memory;
 }
 
 
 void Bootstrapper::TearDown() {
   if (delete_these_non_arrays_on_tear_down_ != NULL) {
     int len = delete_these_non_arrays_on_tear_down_->length();
-    DCHECK(len < 27);  // Don't use this mechanism for unbounded allocations.
+    DCHECK(len < 25);  // Don't use this mechanism for unbounded allocations.
     for (int i = 0; i < len; i++) {
       delete delete_these_non_arrays_on_tear_down_->at(i);
       delete_these_non_arrays_on_tear_down_->at(i) = NULL;
     }
     delete delete_these_non_arrays_on_tear_down_;
     delete_these_non_arrays_on_tear_down_ = NULL;
   }
 
   if (delete_these_arrays_on_tear_down_ != NULL) {
     int len = delete_these_arrays_on_tear_down_->length();
@@ skipping 1458 matching lines @@
   INSTALL_NATIVE(JSFunction, "EndPerformSplice",
                  observers_end_perform_splice);
   INSTALL_NATIVE(JSFunction, "NativeObjectObserve",
                  native_object_observe);
   INSTALL_NATIVE(JSFunction, "NativeObjectGetNotifier",
                  native_object_get_notifier);
   INSTALL_NATIVE(JSFunction, "NativeObjectNotifierPerformChange",
                  native_object_notifier_perform_change);
 
   INSTALL_NATIVE(Symbol, "symbolIterator", iterator_symbol);
-  INSTALL_NATIVE(Symbol, "symbolUnscopables", unscopables_symbol);
 
   INSTALL_NATIVE_MATH(abs)
   INSTALL_NATIVE_MATH(acos)
   INSTALL_NATIVE_MATH(asin)
   INSTALL_NATIVE_MATH(atan)
   INSTALL_NATIVE_MATH(atan2)
   INSTALL_NATIVE_MATH(ceil)
   INSTALL_NATIVE_MATH(cos)
   INSTALL_NATIVE_MATH(exp)
   INSTALL_NATIVE_MATH(floor)
@@ skipping 10 matching lines @@
 }
 
 
 void Genesis::InstallExperimentalNativeFunctions() {
   if (FLAG_harmony_proxies) {
     INSTALL_NATIVE(JSFunction, "DerivedHasTrap", derived_has_trap);
     INSTALL_NATIVE(JSFunction, "DerivedGetTrap", derived_get_trap);
     INSTALL_NATIVE(JSFunction, "DerivedSetTrap", derived_set_trap);
     INSTALL_NATIVE(JSFunction, "ProxyEnumerate", proxy_enumerate);
   }
+
+  if (FLAG_harmony_unscopables) {
+    INSTALL_NATIVE(Symbol, "symbolUnscopables", unscopables_symbol);
+  }
 }
 
 #undef INSTALL_NATIVE
 
 
 Handle<JSFunction> Genesis::InstallInternalArray(
     Handle<JSBuiltinsObject> builtins,
     const char* name,
     ElementsKind elements_kind) {
   // --- I n t e r n a l   A r r a y ---
@@ skipping 414 matching lines @@
     if (!CompileExperimentalBuiltin(isolate(), i)) return false;  \
   }
 
 
 bool Genesis::InstallExperimentalNatives() {
   for (int i = ExperimentalNatives::GetDebuggerCount();
        i < ExperimentalNatives::GetBuiltinsCount();
        i++) {
     INSTALL_EXPERIMENTAL_NATIVE(i, proxies, "proxy.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, generators, "generator.js")
+    INSTALL_EXPERIMENTAL_NATIVE(i, iteration, "array-iterator.js")
+    INSTALL_EXPERIMENTAL_NATIVE(i, iteration, "string-iterator.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, strings, "harmony-string.js")
     INSTALL_EXPERIMENTAL_NATIVE(i, arrays, "harmony-array.js")
+    INSTALL_EXPERIMENTAL_NATIVE(i, unscopables, "unscopables.js")
   }
 
   InstallExperimentalNativeFunctions();
   return true;
 }
 
 
 static void InstallBuiltinFunctionId(Handle<JSObject> holder,
                                      const char* function_name,
                                      BuiltinFunctionId id) {
@@ skipping 617 matching lines @@
   return from + sizeof(NestingCounterType);
 }
 
 
 // Called when the top-level V8 mutex is destroyed.
 void Bootstrapper::FreeThreadResources() {
   DCHECK(!IsActive());
 }
 
 } }  // namespace v8::internal