[builtins] Introduce DeleteProperty builtin

src/builtins/builtins.cc

 // Copyright 2012 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/builtins/builtins.h"
 #include "src/api.h"
 #include "src/assembler-inl.h"
 #include "src/builtins/builtins-descriptors.h"
 #include "src/callable.h"
 #include "src/isolate.h"
@@ skipping 98 matching lines @@
     case OrdinaryToPrimitiveHint::kString:
       return OrdinaryToPrimitive_String();
   }
   UNREACHABLE();
   return Handle<Code>::null();
 }
 
 // static
 Callable Builtins::CallableFor(Isolate* isolate, Name name) {
   switch (name) {
-#define CASE(Name, ...)                                                  \
-  case k##Name: {                                                        \
-    Handle<Code> code(Code::cast(isolate->builtins()->builtins_[name])); \
-    auto descriptor = Builtin_##Name##_InterfaceDescriptor(isolate);     \
-    return Callable(code, descriptor);                                   \
+#define CASE(Name, ...)                                              \
+  case k##Name: {                                                    \
+    Handle<Code> code = isolate->builtins()->Name();                 \
+    auto descriptor = Builtin_##Name##_InterfaceDescriptor(isolate); \
+    return Callable(code, descriptor);                               \
   }
     BUILTIN_LIST(IGNORE_BUILTIN, IGNORE_BUILTIN, IGNORE_BUILTIN, CASE, CASE,
                  CASE, IGNORE_BUILTIN, IGNORE_BUILTIN)
 #undef CASE
     default:
       UNREACHABLE();
       return Callable(Handle<Code>::null(), VoidDescriptor(isolate));
   }
 }
 
@@ skipping 99 matching lines @@
   // TODO(jochen): Remove this.
   if (responsible_context.is_null()) {
     return true;
   }
   if (*responsible_context == target->context()) return true;
   return isolate->MayAccess(responsible_context, target_global_proxy);
 }
 
 }  // namespace internal
 }  // namespace v8