[Bug 286505] dlopen deadlocks when target library contains IFUNC

https://bugs.freebsd.org/bugzilla/show_bug.cgi?id=286505

--- Comment #2 from Dapeng Gao <dapeng.gao@cl.cam.ac.uk> ---
(In reply to Konstantin Belousov from comment #1)

Thanks. Just for my own understanding, does the patch essentially permit a
thread to take the same lock more than once? If so, would it still be necessary
to have the lock_release/wlock_acquire pair around rtld_resolve_ifunc in
reloc_gnu_ifunc_plt?

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