WIP: new.target

src/scopes.h

Index: src/scopes.h
diff --git a/src/scopes.h b/src/scopes.h
index c58d124939676e876a848d5741c94552bab76fa8..dfaa0ad0e5ca2b3d6a48fd9e99c662c7c5b2b8bf 100644
--- a/src/scopes.h
+++ b/src/scopes.h
@@ -216,6 +216,9 @@ class Scope: public ZoneObject {
   // Inform the scope that the corresponding code uses "this".
   void RecordThisUsage() { scope_uses_this_ = true; }
 
+  // Inform the scope that the corresponding code uses "new.target".
+  void RecordNewTargetUsage() { scope_uses_new_target_ = true; }
+
   // Set the language mode flag (unless disabled by a global flag).
   void SetLanguageMode(LanguageMode language_mode) {
     language_mode_ = language_mode;
@@ -316,6 +319,11 @@ class Scope: public ZoneObject {
   bool uses_this() const { return scope_uses_this_; }
   // Does any inner scope access "this".
   bool inner_uses_this() const { return inner_scope_uses_this_; }
+  // Does this scope access "new.target".
+  bool uses_new_target() const { return scope_uses_new_target_; }
+  // Does any inner scope access "new.target".
+  bool inner_uses_tnew_target() const { return inner_scope_uses_new_target_; }
+
 
   // ---------------------------------------------------------------------------
   // Accessors.
@@ -539,6 +547,8 @@ class Scope: public ZoneObject {
   bool scope_uses_super_property_;
   // This scope uses "this".
   bool scope_uses_this_;
+  // This scope uses "new.target".
+  bool scope_uses_new_target_;
   // This scope contains an "use asm" annotation.
   bool asm_module_;
   // This scope's outer context is an asm module.
@@ -555,6 +565,7 @@ class Scope: public ZoneObject {
   bool inner_scope_uses_arguments_;
   bool inner_scope_uses_super_property_;
   bool inner_scope_uses_this_;
+  bool inner_scope_uses_new_target_;
   bool force_eager_compilation_;
   bool force_context_allocation_;