From fe858ce9124637d70928f2c242b711cacb9ef41e Mon Sep 17 00:00:00 2001
From: Vadim Zhestikov <v.zhestikov@f5.com>
Date: Fri, 18 Nov 2022 14:10:25 -0800
Subject: [PATCH] Fixed for(expr1; conditional syntax error handling.

---
 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 9d902863..fa18e9e3 100644
--- a/src/njs_parser.c
+++ b/src/njs_parser.c
@@ -5652,6 +5652,10 @@ static njs_int_t
 njs_parser_expression_continue_assign_comma(njs_parser_t *parser,
     njs_lexer_token_t *token, njs_queue_link_t *current)
 {
+    if (parser->ret != NJS_OK) {
+        return njs_parser_failed(parser);
+    }
+
     njs_parser_next(parser, njs_parser_assignment_expression_after);
 
     return njs_parser_after(parser, current, NULL, 1,
diff --git a/src/test/njs_unit_test.c b/src/test/njs_unit_test.c
index 364fcaa6..8fa86a5c 100644
--- a/src/test/njs_unit_test.c
+++ b/src/test/njs_unit_test.c
@@ -2968,6 +2968,9 @@ static njs_unit_test_t  njs_test[] =
     { njs_str("for(9A=>>"),
       njs_str("SyntaxError: Unexpected token \"A\" in 1") },
 
+    { njs_str("for(A?{,"),
+      njs_str("SyntaxError: Unexpected token \",\" in 1") },
+
     /* switch. */
 
     { njs_str("switch"),
-- 
2.47.3