From f1c88f40b2fd41b71eabcc03980d50e581e04224 Mon Sep 17 00:00:00 2001
From: Dmitry Volyntsev <xeioex@nginx.com>
Date: Thu, 30 May 2019 14:17:59 +0300
Subject: [PATCH] Removing possible ignored regexp compilation error.

---
 njs/njs_regexp.c         | 2 ++
 njs/test/njs_unit_test.c | 3 +++
 2 files changed, 5 insertions(+)

diff --git a/njs/njs_regexp.c b/njs/njs_regexp.c
index ffd88518..4ffd0ba8 100644
--- a/njs/njs_regexp.c
+++ b/njs/njs_regexp.c
@@ -557,6 +557,8 @@ njs_regexp_pattern_create(njs_vm_t *vm, u_char *start, size_t length,
         } while (n != pattern->ngroups);
     }
 
+    njs_value_undefined_set(&vm->retval);
+
     return pattern;
 
 fail:
diff --git a/njs/test/njs_unit_test.c b/njs/test/njs_unit_test.c
index f68dcc1e..bbd8ce6b 100644
--- a/njs/test/njs_unit_test.c
+++ b/njs/test/njs_unit_test.c
@@ -7240,6 +7240,9 @@ static njs_unit_test_t  njs_test[] =
     { nxt_string("/^[A-Za-z0-9+/]{4}$/.test('////')"),
       nxt_string("true") },
 
+    { nxt_string("/[\\uFDE0-\\uFFFD]/g; export default 1"),
+      nxt_string("SyntaxError: Illegal export statement in 1") },
+
     { nxt_string("'[]!\"#$%&\\'()*+,.\\/:;<=>?@\\^_`{|}-'.split('')"
                  ".every(ch=>/[\\]\\[!\"#$%&'()*+,.\\/:;<=>?@\\^_`{|}-]/.test(ch))"),
       nxt_string("true") },
-- 
2.47.3