Remove Scope::scope_uses_arguments_ flag

src/scopes.cc

Index: src/scopes.cc
diff --git a/src/scopes.cc b/src/scopes.cc
index 8d23180f9e407bb43cb4a50599e6b130a5126c8b..a5af8c015783152c94ae3b24a9cf6c137bb93dd6 100644
--- a/src/scopes.cc
+++ b/src/scopes.cc
@@ -163,7 +163,6 @@ void Scope::SetDefaults(ScopeType scope_type, Scope* outer_scope,
   scope_inside_with_ = false;
   scope_contains_with_ = false;
   scope_calls_eval_ = false;
-  scope_uses_arguments_ = false;
   scope_uses_super_property_ = false;
   asm_module_ = false;
   asm_function_ = outer_scope != NULL && outer_scope->asm_module_;
@@ -171,7 +170,6 @@ void Scope::SetDefaults(ScopeType scope_type, Scope* outer_scope,
   language_mode_ = outer_scope != NULL ? outer_scope->language_mode_ : SLOPPY;
   outer_scope_calls_sloppy_eval_ = false;
   inner_scope_calls_eval_ = false;
-  inner_scope_uses_arguments_ = false;
   inner_scope_uses_super_property_ = false;
   force_eager_compilation_ = false;
   force_context_allocation_ = (outer_scope != NULL && !is_function_scope())
@@ -367,7 +365,6 @@ Scope* Scope::FinalizeBlockScope() {
   }
 
   // Propagate usage flags to outer scope.
-  if (uses_arguments()) outer_scope_->RecordArgumentsUsage();
   if (uses_super_property()) outer_scope_->RecordSuperPropertyUsage();
   if (scope_calls_eval_) outer_scope_->RecordEvalCall();
 
@@ -915,12 +912,8 @@ void Scope::Print(int n) {
   if (scope_inside_with_) Indent(n1, "// scope inside 'with'\n");
   if (scope_contains_with_) Indent(n1, "// scope contains 'with'\n");
   if (scope_calls_eval_) Indent(n1, "// scope calls 'eval'\n");
-  if (scope_uses_arguments_) Indent(n1, "// scope uses 'arguments'\n");
   if (scope_uses_super_property_)
     Indent(n1, "// scope uses 'super' property\n");
-  if (inner_scope_uses_arguments_) {
-    Indent(n1, "// inner scope uses 'arguments'\n");
-  }
   if (inner_scope_uses_super_property_)
     Indent(n1, "// inner scope uses 'super' property\n");
   if (outer_scope_calls_sloppy_eval_) {
@@ -1271,9 +1264,6 @@ void Scope::PropagateScopeInfo(bool outer_scope_calls_sloppy_eval ) {
     // usage of arguments/super/this, but do not propagate them out from normal
     // functions.
     if (!inner->is_function_scope() || inner->is_arrow_scope()) {
-      if (inner->scope_uses_arguments_ || inner->inner_scope_uses_arguments_) {
-        inner_scope_uses_arguments_ = true;
-      }
       if (inner->scope_uses_super_property_ ||
           inner->inner_scope_uses_super_property_) {
         inner_scope_uses_super_property_ = true;