[destructuring] Re-index materialized literals in arrow function parameters.

src/prettyprinter.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 <stdarg.h>
 
 #include "src/v8.h"
 
 #include "src/ast-value-factory.h"
 #include "src/base/platform/platform.h"
@@ skipping 701 matching lines @@
   // TODO(arv): Better printing of methods etc.
   Print(" ");
   Visit(property->key());
   Print(": ");
   Visit(property->value());
 }
 
 
 void PrettyPrinter::VisitArrayLiteral(ArrayLiteral* node) {
   Print("[ ");
+  Print(" literal_index = %d", node->literal_index());
   for (int i = 0; i < node->values()->length(); i++) {
     if (i != 0) Print(",");
     Visit(node->values()->at(i));
   }
   Print(" ]");
 }
 
 
 void PrettyPrinter::VisitVariableProxy(VariableProxy* node) {
   PrintLiteral(node->name(), false);
@@ skipping 658 matching lines @@
 
 
 // TODO(svenpanne) Start with IndentedScope.
 void AstPrinter::VisitLiteral(Literal* node) {
   PrintLiteralIndented("LITERAL", node->value(), true);
 }
 
 
 void AstPrinter::VisitRegExpLiteral(RegExpLiteral* node) {
   IndentedScope indent(this, "REGEXP LITERAL");
+  EmbeddedVector<char, 128> buf;
+  SNPrintF(buf, "literal_index = %d\n", node->literal_index());
+  PrintIndented(buf.start());
   PrintLiteralIndented("PATTERN", node->pattern(), false);
   PrintLiteralIndented("FLAGS", node->flags(), false);
 }
 
 
 void AstPrinter::VisitObjectLiteral(ObjectLiteral* node) {
   IndentedScope indent(this, "OBJ LITERAL");
+  EmbeddedVector<char, 128> buf;
+  SNPrintF(buf, "literal_index = %d\n", node->literal_index());
+  PrintIndented(buf.start());
   PrintProperties(node->properties());
 }
 
 
 void AstPrinter::VisitArrayLiteral(ArrayLiteral* node) {
   IndentedScope indent(this, "ARRAY LITERAL");
+
+  EmbeddedVector<char, 128> buf;
+  SNPrintF(buf, "literal_index = %d\n", node->literal_index());
+  PrintIndented(buf.start());
   if (node->values()->length() > 0) {
     IndentedScope indent(this, "VALUES");
     for (int i = 0; i < node->values()->length(); i++) {
       Visit(node->values()->at(i));
     }
   }
 }
 
 
 // TODO(svenpanne) Start with IndentedScope.
@@ skipping 120 matching lines @@
 
 void AstPrinter::VisitSuperCallReference(SuperCallReference* node) {
   IndentedScope indent(this, "SUPER-CALL-REFERENCE");
 }
 
 
 #endif  // DEBUG
 
 }  // namespace internal
 }  // namespace v8