Thread decls-list through Declaration

src/parsing/parser.cc

Index: src/parsing/parser.cc
diff --git a/src/parsing/parser.cc b/src/parsing/parser.cc
index 2333ba135075642a19d92cd95d8a9dc4e87da1ab..2694722d341396bfb75af5c608d97dd6871567e3 100644
--- a/src/parsing/parser.cc
+++ b/src/parsing/parser.cc
@@ -3635,10 +3635,8 @@ void Parser::InsertShadowingVarBindingInitializers(Block* inner_block) {
   DCHECK(inner_scope->is_declaration_scope());
   Scope* function_scope = inner_scope->outer_scope();
   DCHECK(function_scope->is_function_scope());
-  ZoneList<Declaration*>* decls = inner_scope->declarations();
   BlockState block_state(&scope_state_, inner_scope);
-  for (int i = 0; i < decls->length(); ++i) {
-    Declaration* decl = decls->at(i);
+  for (Declaration* decl : *inner_scope->declarations()) {
     if (decl->proxy()->var()->mode() != VAR || !decl->IsVariableDeclaration()) {
       continue;
     }