LOCAL symbols discarded at link time

[Alan Modra]

On Wed, Mar 02, 2016 at 04:34:59PM +0000, Mark Hills wrote:
> I'm am experiencing interactions at link time, despite "LOCAL" symbols and 
> applying careful use of 'visibility':

By converting weak symbols to locals you are subverting the mechanism
used by the toolchain to provide just one instance of a C++ class that
appears in multiple object files.  Don't expect this to work. 

See "C++ one definition rule".

-- 
Alan Modra
Australia Development Lab, IBM