1 files changed, 39 insertions, 0 deletions
diff --git a/elf/tst-dlopen-tlsreinit2.c b/elf/tst-dlopen-tlsreinit2.c
new file mode 100644
index 0000000000..90ad2c7713
--- /dev/null
+++ b/elf/tst-dlopen-tlsreinit2.c
@@ -0,0 +1,39 @@
+/* Test that dlopen preserves already accessed TLS (bug 31717).
+   Variant with initially-linked modules.
+   Copyright (C) 2024 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
+   <https://www.gnu.org/licenses/>.  */
+
+#include <ctype.h>
+#include <stdbool.h>
+#include <support/check.h>
+#include <support/xdlfcn.h>
+
+
+static int
+do_test (void)
+{
+  /* Defined in tst-dlopen-tlsreinitmod3.so.  */
+  extern bool tlsreinitmod3_tested;
+  TEST_VERIFY (tlsreinitmod3_tested);
+
+  /* This crashes if the libc.so.6 TLS image has been reverted.  */
+  TEST_VERIFY (!isupper ('@'));
+
+  return 0;
+}
+
+#include <support/test-driver.c>