[parser] Skipping inner funcs: produce the same scopes / variables for (some) loops.

src/parsing/preparser.cc

Index: src/parsing/preparser.cc
diff --git a/src/parsing/preparser.cc b/src/parsing/preparser.cc
index 170feb570f486c684793ca7add05f34459cfcf5f..5cc2dc2ae8eb515c281066a8a8943785068dbaab 100644
--- a/src/parsing/preparser.cc
+++ b/src/parsing/preparser.cc
@@ -311,6 +311,9 @@ void PreParser::DeclareAndInitializeVariables(
       declaration_descriptor->scope->RemoveUnresolved(variable);
       scope()->DeclareVariableName(variable->raw_name(),
                                    declaration_descriptor->mode);
+      if (names) {
+        names->Add(variable->raw_name(), zone());
+      }
     }
   }
 }