Preventing preemption of 'protected' symbols in GNU ld 2.26 [aka should we revert the fix for 65248]

[Cary Coutant]

> Another old bug:
>
> https://gcc.gnu.org/bugzilla/show_bug.cgi?id=10908

Filed by you, and resolved (correctly) as invalid. Again, the real
problem was the lack of a linker diagnostic.

-cary