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

src/parsing/preparser.h

Index: src/parsing/preparser.h
diff --git a/src/parsing/preparser.h b/src/parsing/preparser.h
index 84d07e71d887163a4a63298f4e185a01de0793d5..0120c2c5dffaf33bb24982f1447b6baa2d2b4dc2 100644
--- a/src/parsing/preparser.h
+++ b/src/parsing/preparser.h
@@ -1336,6 +1336,11 @@ class PreParser : public ParserBase<PreParser> {
       PreParserExpression cond, PreParserStatement next,
       PreParserStatement body, Scope* inner_scope, const ForInfo& for_info,
       bool* ok) {
+    // See Parser::DesugarLexicalBindingsInForStatement.
+    for (int i = 0; i < for_info.bound_names.length(); i++) {
+      inner_scope->DeclareVariableName(for_info.bound_names[i],
+                                       for_info.parsing_result.descriptor.mode);
+    }
     return loop;
   }