[llvm] r226038 - Don't create new comdats in CodeGen.

[Timur Iskhodzhanov]

Reverted as r226173.
On Thu Jan 15 2015 at 6:54:11 PM Rafael Espíndola <
rafael.espindola at gmail.com> wrote:

> On 15 January 2015 at 10:45, Timur Iskhodzhanov <timurrrr at google.com>
> wrote:
> > Hi Rafael,
> >
> > This change has completely broken down AddressSanitizer on Windows (ninja
> > check-asan), it fails to link anything due to multiple defined vftables,
> > e.g.
> >
> > libcpmt.lib(xdateord.obj) : error LNK2005: "const
> > std::_System_error_category::`vftable'"
> > (??_7_System_error_category at std@@6B@) already defined in
> > sanitizer_allocator_test.cc.i386.o
> >
> > I'm going to revert your change.
> >
> > Please coordinate with David and Kostya if you have any questions on how
> > COMDATs interplay with AddressSanitizer.
>
> Looks like it caused other comdat problems on windows. I am currently
> trying a bootstrap on mingw to debug it.
>
> Do revert it please, I didn't realized it was that bad.
>
> Cheers,
> Rafael
>
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