Fix spread array inside array literal

src/ast.h

 // 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.
 
 #ifndef V8_AST_H_
 #define V8_AST_H_
 
 #include "src/v8.h"
 
 #include "src/assembler.h"
@@ skipping 1594 matching lines @@
   }
 
   enum Flags {
     kNoFlags = 0,
     kShallowElements = 1,
     kDisableMementos = 1 << 1,
     kIsStrong = 1 << 2
   };
 
  protected:
-  ArrayLiteral(Zone* zone, ZoneList<Expression*>* values, int literal_index,
-               bool is_strong, int pos)
+  ArrayLiteral(Zone* zone, ZoneList<Expression*>* values,
+               int first_spread_index, int literal_index, bool is_strong,
+               int pos)
       : MaterializedLiteral(zone, literal_index, is_strong, pos),
-        values_(values) {}
+        values_(values),
+        first_spread_index_(first_spread_index) {}
   static int parent_num_ids() { return MaterializedLiteral::num_ids(); }
 
  private:
   int local_id(int n) const { return base_id() + parent_num_ids() + n; }
 
   Handle<FixedArray> constant_elements_;
   ZoneList<Expression*>* values_;
+  int first_spread_index_;
 };
 
 
 class VariableProxy final : public Expression {
  public:
   DECLARE_NODE_TYPE(VariableProxy)
 
   bool IsValidReferenceExpression() const override { return !is_this(); }
 
   bool IsArguments() const { return is_resolved() && var()->is_arguments(); }
@@ skipping 1809 matching lines @@
                                   bool is_strong,
                                   int pos) {
     return new (zone_) RegExpLiteral(zone_, pattern, flags, literal_index,
                                      is_strong, pos);
   }
 
   ArrayLiteral* NewArrayLiteral(ZoneList<Expression*>* values,
                                 int literal_index,
                                 bool is_strong,
                                 int pos) {
-    return new (zone_) ArrayLiteral(zone_, values, literal_index, is_strong,
-                                    pos);
+    return new (zone_)
+        ArrayLiteral(zone_, values, -1, literal_index, is_strong, pos);
+  }
+
+  ArrayLiteral* NewArrayLiteral(ZoneList<Expression*>* values,
+                                int first_spread_index, int literal_index,
+                                bool is_strong, int pos) {
+    return new (zone_) ArrayLiteral(zone_, values, first_spread_index,
+                                    literal_index, is_strong, pos);
   }
 
   VariableProxy* NewVariableProxy(Variable* var,
                                   int start_position = RelocInfo::kNoPosition,
                                   int end_position = RelocInfo::kNoPosition) {
     return new (zone_) VariableProxy(zone_, var, start_position, end_position);
   }
 
   VariableProxy* NewVariableProxy(const AstRawString* name,
                                   Variable::Kind variable_kind,
@@ skipping 146 matching lines @@
 
  private:
   Zone* zone_;
   AstValueFactory* ast_value_factory_;
 };
 
 
 } }  // namespace v8::internal
 
 #endif  // V8_AST_H_