From d9849af02b660b9aedaa27ed2e6fa594b73235db Mon Sep 17 00:00:00 2001
From: Vadim Zhestikov <v.zhestikov@f5.com>
Date: Thu, 1 Jun 2023 09:39:25 -0700
Subject: [PATCH] Fixed parsing of invalid for-in statement.

The issue was introduced in: b9d18d4dd34e
---
 src/njs_parser.c         | 4 ++++
 src/test/njs_unit_test.c | 3 +++
 2 files changed, 7 insertions(+)

diff --git a/src/njs_parser.c b/src/njs_parser.c
index 68743baa..6c093c77 100644
--- a/src/njs_parser.c
+++ b/src/njs_parser.c
@@ -5496,6 +5496,10 @@ njs_parser_for_expression_map_reparse(njs_parser_t *parser,
 {
     njs_str_t  *text;
 
+    if (parser->ret != NJS_OK && parser->node != NULL) {
+        return njs_parser_failed(parser);
+    }
+
     if (parser->node == NULL) {
         njs_lexer_in_fail_set(parser->lexer, 1);
 
diff --git a/src/test/njs_unit_test.c b/src/test/njs_unit_test.c
index db5e99bc..401fe558 100644
--- a/src/test/njs_unit_test.c
+++ b/src/test/njs_unit_test.c
@@ -2969,6 +2969,9 @@ static njs_unit_test_t  njs_test[] =
     { njs_str("for (a(b * in d) ;"),
       njs_str("SyntaxError: Unexpected token \"in\" in 1") },
 
+    { njs_str("for(c=let c"),
+      njs_str("SyntaxError: Unexpected token \"let\" in 1") },
+
     /* switch. */
 
     { njs_str("switch"),
-- 
2.47.3