WIP: new.target

src/ast.cc

Index: src/ast.cc
diff --git a/src/ast.cc b/src/ast.cc
index 5038716003e80125c1ff1fd1b3709443a0a3ea63..fbf6c775d4bd722d54fcee523687ec8dbd67fde7 100644
--- a/src/ast.cc
+++ b/src/ast.cc
@@ -63,6 +63,7 @@ VariableProxy::VariableProxy(Zone* zone, Variable* var, int start_position,
                              int end_position)
     : Expression(zone, start_position),
       bit_field_(IsThisField::encode(var->is_this()) |
+                 IsNewTargetField::encode(var->is_new_target()) |
                  IsAssignedField::encode(false) |
                  IsResolvedField::encode(false)),
       variable_feedback_slot_(FeedbackVectorICSlot::Invalid()),
@@ -76,16 +77,18 @@ VariableProxy::VariableProxy(Zone* zone, const AstRawString* name,
                              Variable::Kind variable_kind, int start_position,
                              int end_position)
     : Expression(zone, start_position),
-      bit_field_(IsThisField::encode(variable_kind == Variable::THIS) |
-                 IsAssignedField::encode(false) |
-                 IsResolvedField::encode(false)),
+      bit_field_(
+          IsThisField::encode(variable_kind == Variable::THIS) |
+          IsNewTargetField::encode(variable_kind == Variable::NEW_TARGET) |
+          IsAssignedField::encode(false) | IsResolvedField::encode(false)),
       variable_feedback_slot_(FeedbackVectorICSlot::Invalid()),
       raw_name_(name),
       end_position_(end_position) {}
 
 
 void VariableProxy::BindTo(Variable* var) {
-  DCHECK((is_this() && var->is_this()) || raw_name() == var->raw_name());
+  DCHECK((is_this() && var->is_this()) || raw_name() == var->raw_name() ||
+         is_new_target() && var->is_new_target());
   set_var(var);
   set_is_resolved();
   var->set_is_used();