libdl: dlopen() mustn't forget RTLD_NODELETE flag

If RTLD_NODELETE is passed to dlopen() rather than set on shared
library itself, flag propagation to rtld_flags is missed.

Test-case taken from glibc.

Signed-off-by: Leonid Lisovskiy <lly.dev@gmail.com>
Signed-off-by: Waldemar Brodkorb <wbx@uclibc-ng.org>

1 files changed, 8 insertions, 0 deletions

diff --git a/test/dlopen/nodelmod3.c b/test/dlopen/nodelmod3.c
new file mode 100644
index 000000000..817c94db6
--- /dev/null
+++ b/test/dlopen/nodelmod3.c
@@ -0,0 +1,8 @@
+extern int var_in_mod4;
+extern int *addr (void);
+
+int *
+addr (void)
+{
+  return &var_in_mod4;
+}