llvm dev - Nov 2018 - Removing things from llvm.used

What's the proper way to remove something from llvm.used?  I tried RAUW
undef but that did not go over well.  :)  Is it best to delete it and
re-create it with only the remaining items?

                         -David

> On Nov 28, 2018, at 2:30 PM, David Greene via llvm-dev <llvm-dev at
lists.llvm.org> wrote:
> 
> What's the proper way to remove something from llvm.used?  I tried RAUW
> undef but that did not go over well.  :)  
Generally you shouldn’t do so: attribute((used)) means that a declaration is
used in a way that is unknown to the compiler, so the compiler should keep the
thing around unchanged.
> Is it best to delete it and
> re-create it with only the remaining items?
Yes, that would be the correct way to update the list.

-Chris