compnerd added inline comments.

================
Comment at: src/cxa_new_delete.cpp:34
 */
-__attribute__((__weak__, __visibility__("default")))
+__attribute__((__weak__))
 void *
----------------
EricWF wrote:
> Can we abstract this away to a `_LIBCXXABI_NEW_DELETE_VIS` macro?
Are `operator new` and `operator delete` the only functions that will ever need 
weak linkage?  I think that using a more generic macro would be nicer.  
`_LIBCXXABI_WEAK_LINKAGE` perhaps?


https://reviews.llvm.org/D26949



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