[patch] Document the restriction on removing a global from a COMDAT

[Rafael Espíndola]

ping

On 6 November 2014 at 08:45, Rafael Espíndola
<rafael.espindola at gmail.com> wrote:
> ping
>
> On 16 October 2014 15:35, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
>> ping
>>
>> On 8 October 2014 10:21, Rafael Espíndola <rafael.espindola at gmail.com> wrote:
>>> The attached patch adds a note about why optimizations cannot drop
>>> globlas from COMDATs.
>>>
>>> Since this is the language ref I made the statement fairly generic, in
>>> case there is some corner case where an optimization can figure out it
>>> is actually safe to modify the symbols in a COMDAT.  Let me know if
>>> you would prefer a more strict statement.
>>>
>>> Cheers,
>>> Rafael