re PR libstdc++/63199 (Inserting std::wregex to std::vector loses some std::wregex values)

	PR libstdc++/63199
	* include/bits/regex.h (basic_regex::basic_regex, basic_regex::assign,
	basic_regex::imbue, basic_regex::getloc, basic_regex::swap): Add
	_M_loc for basic_regex.
	* include/bits/regex_automaton.h: Add _M_traits for _NFA.
	* include/bits/regex_compiler.h (_Compiler::_M_get_nfa, __compile_nfa):
	Make _Compiler::_M_nfa heap allocated.
	* include/bits/regex_compiler.tcc (_Compiler::_Compiler): Make
	_Compiler::_M_nfa heap allocated.
	* include/bits/regex_executor.h (_Executor::_M_is_word):
	Fix accessing _M_traits.
	* include/bits/regex_executor.tcc (_Executor::_M_dfs):
	Fix accessing _M_traits.
	* testsuite/28_regex/algorithms/regex_match/ecma/wchar_t/63199.cc:
	New testcase.

From-SVN: r215578

1 files changed, 69 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/wchar_t/63199.cc b/libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/wchar_t/63199.cc
new file mode 100644
index 0000000..cbb23f7
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/algorithms/regex_match/ecma/wchar_t/63199.cc
@@ -0,0 +1,69 @@
+// { dg-options "-std=gnu++11" }
+
+//
+// Copyright (C) 2014 Free Software Foundation, Inc.
+//
+// This file is part of the GNU ISO C++ Library.  This library is free
+// software; you can redistribute it and/or modify it under the
+// terms of the GNU General Public License as published by the
+// Free Software Foundation; either version 3, or (at your option)
+// any later version.
+//
+// This library is distributed in the hope that it will be useful,
+// but WITHOUT ANY WARRANTY; without even the implied warranty of
+// MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
+// GNU General Public License for more details.
+//
+// You should have received a copy of the GNU General Public License along
+// with this library; see the file COPYING3.  If not see
+// <http://www.gnu.org/licenses/>.
+
+#include <regex>
+#include <testsuite_hooks.h>
+#include <testsuite_regex.h>
+
+using namespace __gnu_test;
+using namespace std;
+
+// libstdc++/63199
+void
+test01()
+{
+  bool test __attribute__((unused)) = true;
+
+  std::setlocale(LC_ALL, "");
+
+  std::wstring current_token(L"II.");
+
+  std::vector<std::wregex> regex_vector;
+
+  for (int i = 0; i < 4; ++i)
+  {
+    std::regex_constants::syntax_option_type flag;
+    flag = std::regex_constants::ECMAScript | std::regex_constants::icase;
+
+    std::wregex reg;
+    reg.imbue(std::locale(""));
+    reg.assign(L"^(M*(?:CM|DC{1,3}|D|CD|C{1,3}){0,1}(?:XC|LX{1,3}|L|XL|X{1,3}){0,1}(?:IX|VI{0,3}|IV|I{1,3}){0,1}\\.)$", flag);
+
+    regex_vector.emplace_back(reg);
+  }
+
+  for (auto cit = regex_vector.cbegin(); cit != regex_vector.cend(); ++cit)
+  {
+    std::wstring::const_iterator it1 = current_token.begin();
+    std::wstring::const_iterator it2 = current_token.end();
+    std::wsmatch current_token_match;
+
+    regex_match_debug(it1, it2, current_token_match, *cit);
+    VERIFY(current_token_match[0] == current_token);
+    VERIFY(current_token_match[1] == current_token);
+  }
+}
+
+int
+main()
+{
+  test01();
+  return 0;
+}