regex_compiler.h (_Comipler<>::_M_quantifier()): Fix parse error of multiple consecutive quantifiers like "a**".

2014-01-19  Tim Shen  <timshen91@gmail.com>

	* include/bits/regex_compiler.h (_Comipler<>::_M_quantifier()):
	Fix parse error of multiple consecutive quantifiers like "a**".
	* include/bits/regex_compiler.tcc (_Comipler<>::_M_quantifier()):
	Likewise.
	* testsuite/28_regex/basic_regex/multiple_quantifiers.cc: New.

From-SVN: r206783

1 files changed, 33 insertions, 0 deletions

diff --git a/libstdc++-v3/testsuite/28_regex/basic_regex/multiple_quantifiers.cc b/libstdc++-v3/testsuite/28_regex/basic_regex/multiple_quantifiers.cc
new file mode 100644
index 0000000..5670cbb
--- /dev/null
+++ b/libstdc++-v3/testsuite/28_regex/basic_regex/multiple_quantifiers.cc
@@ -0,0 +1,33 @@
+// { 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/>.
+
+// 28.8 basic_regex
+// Tests multiple consecutive quantifiers
+
+#include <regex>
+
+using namespace std;
+
+int
+main()
+{
+  regex re1("a++");
+  regex re2("(a+)+");
+  return 0;
+}