[Bug ld/21964] __start_SCN symbols aren't exported anymore

[hjl.tools at gmail dot com]

https://sourceware.org/bugzilla/show_bug.cgi?id=21964

--- Comment #3 from H.J. Lu <hjl.tools at gmail dot com> ---
(In reply to Michael Matz from comment #2)
> (In reply to H.J. Lu from comment #1)
> > What should happen when there is _verbose section in more than one shared
> > object?
> 
> As I said, the code in question uses dlsym, so nothing interesting happens,
> multiple symbols in different shared objects have different addresses.
> 
> If you're worried about symbolic references from inside shared objects (even
> though we have no indication that this is a problem in the real world, it has
> always worked like this) then at the very least they should be made protected
> so that they are bound internally, but also exported.  The latter part is
> what is important for existing code.

Please provide a small complete run-time testcase. I will take a look.

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