--- /dev/null	Thu Jan 01 00:00:00 1970 +0000
+++ b/gcc/testsuite/g++.dg/ubsan/ubsan.exp	Fri Oct 27 22:46:09 2017 +0900
@@ -0,0 +1,34 @@
+# Copyright (C) 2013-2017 Free Software Foundation, Inc.
+#
+# This file is part of GCC.
+#
+# GCC 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.
+#
+# GCC 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 GCC; see the file COPYING3.  If not see
+# <http://www.gnu.org/licenses/>.
+
+# Load support procs.
+load_lib g++-dg.exp
+load_lib ubsan-dg.exp
+
+# Initialize `dg'.
+dg-init
+ubsan_init
+
+# Main loop.
+if [check_effective_target_fsanitize_undefined] {
+  gcc-dg-runtest [lsort [glob -nocomplain $srcdir/$subdir/*.C $srcdir/c-c++-common/ubsan/*.c]] "" ""
+}
+
+# All done.
+ubsan_finish
+dg-finish