Add rdynamic-1 test

It is added for

commit 409ff343a402799563f71f938138b29f8baf7a1c
Author: Alan Modra <amodra@gmail.com>
Date:   Tue Nov 8 13:49:11 2011 +0000

      * elflink.c (bfd_elf_gc_mark_dynamic_ref_symbol): Mark syms in
      executables when export_dynamic.

	* ld-elf/rdynamic-1.c: New file.
	* ld-elf/rdynamic-1.rd: Likewise.

	* ld-elf/shared.exp (build_tests): Add rdynamic-1.

1 files changed, 10 insertions, 0 deletions

diff --git a/ld/testsuite/ld-elf/rdynamic-1.c b/ld/testsuite/ld-elf/rdynamic-1.c
new file mode 100644
index 0000000..7c9d1ab
--- /dev/null
+++ b/ld/testsuite/ld-elf/rdynamic-1.c
@@ -0,0 +1,10 @@
+void
+rdynamic ()
+{
+}
+
+int
+main ()
+{
+  return 0;
+}