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


Hi,

On Tue, 19 Apr 2016, Richard Biener wrote:

> So with all this it sounds that current protected visibility is just 
> broken and we should forgo with it, making it equal to default 
> visibility?

Like how?  You mean in GCC regarding protected as default visibility?  No, 
that's just throwing out the baby with the water.  We should make 
protected do what it was intended to do and accept that not all invariants 
that are true for default visible symbols are also true for protected 
symbols, possibly by ...

> At least I couldn't decipher a solution that solves all of the issues 
> with protected visibility apart from trying to error at link-time (or 
> runtime?) for the cases that are tricky (impossible?) to solve.

... this.


Ciao,
Michael.


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