[Feature][ZXW-33]merge ZXW 0428 version

Change-Id: I11f167edfea428d9fab198ff00ff1364932d1b0b
diff --git a/ap/libc/glibc/glibc-2.23/elf/tst-unique2.c b/ap/libc/glibc/glibc-2.23/elf/tst-unique2.c
new file mode 100644
index 0000000..4426754
--- /dev/null
+++ b/ap/libc/glibc/glibc-2.23/elf/tst-unique2.c
@@ -0,0 +1,28 @@
+#include <config.h>
+#include <dlfcn.h>
+#include <stdio.h>
+
+extern int var;
+
+static int
+do_test (void)
+{
+  var = 1;
+
+  void *h = dlopen ("tst-unique2mod2.so", RTLD_LAZY);
+  if (h == NULL)
+    {
+      puts ("cannot load tst-unique2mod2");
+      return 1;
+    }
+  int (*f) (int *) = dlsym (h, "f");
+  if (f == NULL)
+    {
+      puts ("cannot locate f in tst-unique2mod2");
+      return 1;
+    }
+  return f (&var);
+}
+
+#define TEST_FUNCTION do_test ()
+#include "../test-skeleton.c"