[parser] Delete has_seen_proto in ObjectLiteral.

src/ast/ast.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/ast/ast.h"
 
 #include <cmath>  // For isfinite.
 
 #include "src/ast/compile-time-value.h"
 #include "src/ast/prettyprinter.h"
@@ skipping 502 matching lines @@
 
   int position = 0;
   // Accumulate the value in local variables and store it at the end.
   bool is_simple = true;
   int depth_acc = 1;
   uint32_t max_element_index = 0;
   uint32_t elements = 0;
   for (int i = 0; i < properties()->length(); i++) {
     ObjectLiteral::Property* property = properties()->at(i);
     if (!IsBoilerplateProperty(property)) {
-      DCHECK(has_seen_proto());
       is_simple = false;
       continue;
     }
 
     if (static_cast<uint32_t>(position) == boilerplate_properties_ * 2) {
       DCHECK(property->is_computed_name());
       is_simple = false;
       break;
     }
     DCHECK(!property->is_computed_name());
@@ skipping 43 matching lines @@
   bit_field_ = HasElementsField::update(bit_field_, elements > 0);
 
   set_is_simple(is_simple);
   set_depth(depth_acc);
 }
 
 void ObjectLiteral::BuildConstantProperties(Isolate* isolate) {
   if (!constant_properties_.is_null()) return;
 
   int index_keys = 0;
+  bool has_seen_proto = false;
   for (int i = 0; i < properties()->length(); i++) {
     ObjectLiteral::Property* property = properties()->at(i);
-    if (!IsBoilerplateProperty(property) || property->is_computed_name()) {
+    if (!IsBoilerplateProperty(property)) {
+      has_seen_proto = true;
+      continue;
+    }
+    if (property->is_computed_name()) {
       continue;
     }
 
     Handle<Object> key = property->key()->AsLiteral()->value();
 
     uint32_t element_index = 0;
     if (key->ToArrayIndex(&element_index)) {
       index_keys++;
     }
   }
 
   Handle<BoilerplateDescription> constant_properties =
       isolate->factory()->NewBoilerplateDescription(
           boilerplate_properties_, properties()->length() - index_keys,
-          has_seen_proto());
+          has_seen_proto);
 
   int position = 0;
   for (int i = 0; i < properties()->length(); i++) {
     ObjectLiteral::Property* property = properties()->at(i);
     if (!IsBoilerplateProperty(property)) {
       continue;
     }
 
     if (static_cast<uint32_t>(position) == boilerplate_properties_ * 2) {
       DCHECK(property->is_computed_name());
@@ skipping 439 matching lines @@
 // static
 bool Literal::Match(void* literal1, void* literal2) {
   const AstValue* x = static_cast<Literal*>(literal1)->raw_value();
   const AstValue* y = static_cast<Literal*>(literal2)->raw_value();
   return (x->IsString() && y->IsString() && x->AsString() == y->AsString()) ||
          (x->IsNumber() && y->IsNumber() && x->AsNumber() == y->AsNumber());
 }
 
 }  // namespace internal
 }  // namespace v8