PR libstdc++/81002 fix std::basic_regex range constructor

	PR libstdc++/81002
	* include/bits/regex_compiler.h (__compile_nfa): Add template argument
	list to specify traits type.
	* testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.

From-SVN: r248992

diff --git a/libstdc++-v3/ChangeLog b/libstdc++-v3/ChangeLog
index 94928137819a2e81cffdcdd96c3d363915d2dc85..1287ffdd06d976231613015b421a8c4951319ce2 100644 (file)
--- a/libstdc++-v3/ChangeLog
+++ b/libstdc++-v3/ChangeLog
@@ -1,3 +1,10 @@
+2017-06-07  Jonathan Wakely  <jwakely@redhat.com>
+
+       PR libstdc++/81002
+       * include/bits/regex_compiler.h (__compile_nfa): Add template argument
+       list to specify traits type.
+       * testsuite/28_regex/basic_regex/ctors/basic/iter.cc: New.
+
 2017-05-26  Jonathan Wakely  <jwakely@redhat.com>
 
        Backport from mainline

diff --git a/libstdc++-v3/include/bits/regex_compiler.h b/libstdc++-v3/include/bits/regex_compiler.h
index 410d61b7da1e13b82a3b1b1262b3e9360da3c141..a6f016b0e28ffb877edf6b6c042b98c3488139ec 100644 (file)
--- a/libstdc++-v3/include/bits/regex_compiler.h
+++ b/libstdc++-v3/include/bits/regex_compiler.h
@@ -200,9 +200,10 @@ _GLIBCXX_BEGIN_NAMESPACE_VERSION
                  const typename _TraitsT::locale_type& __loc,
                  regex_constants::syntax_option_type __flags)
     {
-      basic_string<typename _TraitsT::char_type> __str(__first, __last);
-      return __compile_nfa(__str.data(), __str.data() + __str.size(), __loc,
-          __flags);
+      using char_type = typename _TraitsT::char_type;
+      const basic_string<char_type> __str(__first, __last);
+      return __compile_nfa<const char_type*, _TraitsT>(__str.data(),
+         __str.data() + __str.size(), __loc, __flags);
     }
 
   // [28.13.14]

diff --git a/libstdc++-v3/testsuite/28_regex/basic_regex/ctors/basic/iter.cc b/libstdc++-v3/testsuite/28_regex/basic_regex/ctors/basic/iter.cc
new file mode 100644 (file)
index 0000000..7776c5f
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/basic_regex/ctors/basic/iter.cc
@@ -0,0 +1,30 @@
+// Copyright (C) 2017 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/>.
+
+// { dg-do compile { target c++11 } }
+
+#include <regex>
+#include <testsuite_iterators.h>
+
+void
+test01()
+{
+  char s[] = "";
+  __gnu_test::test_container<char, __gnu_test::forward_iterator_wrapper> c(s);
+  std::regex r1(c.begin(), c.end());
+  std::regex r2(c.begin(), c.end(), std::regex_constants::grep);
+}