r194296 - Use rauw for all discardable aliases, not just linkonce_odr.

[Joerg Sonnenberger]

On Fri, Nov 08, 2013 at 11:46:20PM -0000, Rafael Espindola wrote:
> Author: rafael
> Date: Fri Nov  8 17:46:20 2013
> New Revision: 194296
> 
> URL: http://llvm.org/viewvc/llvm-project?rev=194296&view=rev
> Log:
> Use rauw for all discardable aliases, not just linkonce_odr.

This breaks boost::locale and possibly other things. Attached is a test
case. Compile with -O2 -std=c++11 before and after and look for
    std::__1::moneypunct_byname<char, false>::~moneypunct_byname
in the nm -C output.

Joerg
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