1 files changed, 27 insertions, 0 deletions
diff --git a/elf/tst-unwind-ctor.c b/elf/tst-unwind-ctor.c
new file mode 100644
index 0000000000..b87fbab2e7
--- /dev/null
+++ b/elf/tst-unwind-ctor.c
@@ -0,0 +1,27 @@
+/* Unit test for _Unwind_Backtrace in a shared object constructor.
+   Copyright (C) 2018 Free Software Foundation, Inc.
+   This file is part of the GNU C Library.
+
+   The GNU C Library is free software; you can redistribute it and/or
+   modify it under the terms of the GNU Lesser General Public
+   License as published by the Free Software Foundation; either
+   version 2.1 of the License, or (at your option) any later version.
+
+   The GNU C 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
+   Lesser General Public License for more details.
+
+   You should have received a copy of the GNU Lesser General Public
+   License along with the GNU C Library; if not, see
+   <http://www.gnu.org/licenses/>.  */
+
+extern void dummy (void);
+
+int
+main (void)
+{
+  /* Just call a dummy function in the shared library.  The actual test
+     runs in its constructor.  */
+  dummy ();
+}