Move desugaring of super calls with trailing spread to one runtime call.

src/ast/ast-numbering.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-numbering.h"
 
 #include "src/ast/ast.h"
 #include "src/ast/scopes.h"
 
 namespace v8 {
@@ skipping 375 matching lines @@
 
 
 void AstNumberingVisitor::VisitCompareOperation(CompareOperation* node) {
   IncrementNodeCount();
   node->set_base_id(ReserveIdRange(CompareOperation::num_ids()));
   Visit(node->left());
   Visit(node->right());
   ReserveFeedbackSlots(node);
 }
 
-
-void AstNumberingVisitor::VisitSpread(Spread* node) { UNREACHABLE(); }
-
+void AstNumberingVisitor::VisitSpread(Spread* node) {
+  IncrementNodeCount();
+  // We can only get here from super calls currently.
+  DisableFullCodegenAndCrankshaft(kSuperReference);
+  node->set_base_id(ReserveIdRange(Spread::num_ids()));
+  Visit(node->expression());
+}
 
 void AstNumberingVisitor::VisitEmptyParentheses(EmptyParentheses* node) {
   UNREACHABLE();
 }
 
 
 void AstNumberingVisitor::VisitForInStatement(ForInStatement* node) {
   IncrementNodeCount();
   DisableSelfOptimization();
   node->set_base_id(ReserveIdRange(ForInStatement::num_ids()));
@@ skipping 211 matching lines @@
 }
 
 
 bool AstNumbering::Renumber(Isolate* isolate, Zone* zone,
                             FunctionLiteral* function) {
   AstNumberingVisitor visitor(isolate, zone);
   return visitor.Renumber(function);
 }
 }  // namespace internal
 }  // namespace v8