[turbofan] Port initialization of new.target variable.

src/compiler/ast-graph-builder.h

Index: src/compiler/ast-graph-builder.h
diff --git a/src/compiler/ast-graph-builder.h b/src/compiler/ast-graph-builder.h
index 17190bc8b7adad0612335c14cb2895fa654a5d4f..b2c6f4355d26fa75953ab61c6b46d1abe70bc7a3 100644
--- a/src/compiler/ast-graph-builder.h
+++ b/src/compiler/ast-graph-builder.h
@@ -265,8 +265,11 @@ class AstGraphBuilder : public AstVisitor {
   // Builder to create an array of rest parameters if used
   Node* BuildRestArgumentsArray(Variable* rest, int index);
 
-  // Builder that assigns to the .this_function internal variable if needed.
-  Node* BuildThisFunctionVar(Variable* this_function_var);
+  // Builder that assigns to the {.this_function} internal variable if needed.
+  Node* BuildThisFunctionVariable(Variable* this_function_var);
+
+  // Builder that assigns to the {new.target} internal variable if needed.
+  Node* BuildNewTargetVariable(Variable* new_target_var);
 
   // Builders for variable load and assignment.
   Node* BuildVariableAssignment(Variable* variable, Node* value,