Declare the arguments object before creating the function var, to make sure it masks it

src/ast/scopes.cc

Index: src/ast/scopes.cc
diff --git a/src/ast/scopes.cc b/src/ast/scopes.cc
index 170ec49783b0f003ea342d037adb79dd41bad942..6c4b95c77bc06968c73a915b159c990c1488f488 100644
--- a/src/ast/scopes.cc
+++ b/src/ast/scopes.cc
@@ -1215,7 +1215,6 @@ void DeclarationScope::AnalyzePartially(DeclarationScope* migrate_to,
   DCHECK_EQ(outer_scope_->zone(), migrate_to->zone());
   DCHECK_EQ(NeedsHomeObject(), migrate_to->NeedsHomeObject());
   DCHECK_EQ(asm_function_, migrate_to->asm_function_);
-  DCHECK_EQ(arguments() != nullptr, migrate_to->arguments() != nullptr);
 }
 
 #ifdef DEBUG