[Bug ld/302] Add warning when ELF symbol visibility is not consistent

[s_fsfeurope2 at nedprod dot com]

------- Additional Comments From s_fsfeurope2 at nedprod dot com  2004-10-11 
09:15 -------
Ok, how about an /optional/ warning? I say this because unfortunately it's 
impossible to catch ODR violations at the compiler level so it must get caught 
at the linker level.

I was thinking that perhaps if g++ was used to invoke the linker it could 
silently enable this new optional warning.

I should emphasise that (i) this problem is unavoidable with the new visibility 
support and (ii) it causes hard-to-find breakages in exception handling. Some 
sort of debug output is required.

How about if debug symbols are present we print the warning?

Cheers,
Niall


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http://sources.redhat.com/bugzilla/show_bug.cgi?id=302

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