From 77623cb511968bf5741f861b10a447f38ee843a6 Mon Sep 17 00:00:00 2001
From: Marshall Clow <mclow.lists@gmail.com>
Date: Wed, 18 Oct 2017 16:49:22 +0000
Subject: Fix regex bug with ^\W. Thanks to Tim Shen for the patch. Reviewed as
 https://reviews.llvm.org/D37955

llvm-svn: 316095
---
 .../re.alg.search/invert_neg_word_search.pass.cpp  | 29 ++++++++++++++++++++++
 1 file changed, 29 insertions(+)
 create mode 100644 libcxx/test/std/re/re.alg/re.alg.search/invert_neg_word_search.pass.cpp

(limited to 'libcxx/test/std')

diff --git a/libcxx/test/std/re/re.alg/re.alg.search/invert_neg_word_search.pass.cpp b/libcxx/test/std/re/re.alg/re.alg.search/invert_neg_word_search.pass.cpp
new file mode 100644
index 00000000000..dd17d3519e3
--- /dev/null
+++ b/libcxx/test/std/re/re.alg/re.alg.search/invert_neg_word_search.pass.cpp
@@ -0,0 +1,29 @@
+//===----------------------------------------------------------------------===//
+//
+//                     The LLVM Compiler Infrastructure
+//
+// This file is dual licensed under the MIT and the University of Illinois Open
+// Source Licenses. See LICENSE.TXT for details.
+//
+//===----------------------------------------------------------------------===//
+
+// <regex>
+
+// template <class BidirectionalIterator, class Allocator, class charT, class traits>
+//     bool
+//     regex_search(BidirectionalIterator first, BidirectionalIterator last,
+//                  match_results<BidirectionalIterator, Allocator>& m,
+//                  const basic_regex<charT, traits>& e,
+//                  regex_constants::match_flag_type flags = regex_constants::match_default);
+
+#include <regex>
+#include <cassert>
+#include "test_macros.h"
+
+// PR34310
+int main()
+{
+  assert(std::regex_search("HelloWorld", std::regex("[^\\W]")));
+  assert(std::regex_search("_", std::regex("[^\\W]")));
+  return 0;
+}
-- 
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