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, 10 insertions, 0 deletions

diff --git a/test/dlopen/nodelmod4.c b/test/dlopen/nodelmod4.c
new file mode 100644
index 000000000..d7fa89396
--- /dev/null
+++ b/test/dlopen/nodelmod4.c
@@ -0,0 +1,10 @@
+extern int fini_ran;
+
+int var_in_mod4 = 99;
+
+static void
+__attribute__ ((__destructor__))
+destr (void)
+{
+  fini_ran = 1;
+}