[Issue 23180] annotate @gshared declarations with @weak on OSX

[d-bugmail at puremagic.com]

https://issues.dlang.org/show_bug.cgi?id=23180

Iain Buclaw <ibuclaw at gdcproject.org> changed:

           What    |Removed                     |Added
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                 CC|                            |ibuclaw at gdcproject.org

--- Comment #1 from Iain Buclaw <ibuclaw at gdcproject.org> ---
If phobos was built *only* as a shared library on OSX.  That'd get around the
problem as well, so that you don't end up with all of druntime residing in
multiple images of a linked executable.

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