PATCH: Use COMDAT section group instead of gnu.linkonce

[Zack Weinberg]

"H. J. Lu" <hjl@lucon.org> writes:

>> Uh, surely there is a better way to do this than a long chain of
>> strcmp() operations on the linkonce section name?
>> 
>
> I want to keep my change to minimal and support existing source code.

Support existing source code, fine.  Minimal, no, not necessary; this
is stage 1 development.

Unfortunately I don't know this part of GCC well enough to offer
constructive advice.

zw