[LLVMdev] Global constructors "get lost" when transforming bitcode files

[David Majnemer]

Reid added this feature, I bet he'd be interested.

On Friday, July 4, 2014, Eric Christopher <echristo at gmail.com> wrote:

> On Fri, Jul 4, 2014 at 10:55 AM, Jonas Wagner <jonas.wagner at epfl.ch
> <javascript:;>> wrote:
> > Hello,
> >
> > I've narrowed the issue down to revision 209015: Add comdat key field to
> > llvm.global_ctors and llvm.global_dtors.
> >
> > This revision introduces an additional field to global constructors
> which,
> > when non-null, can prevent constructors from being called. In my case,
> this
> > field is always set to null, yet global constructors are not called.
> >
> > I've observed that this happens only on Mac, not on Linux. In the patch,
> I
> > haven't found anything OS-specific. However, the issue might be due to
> > different linker implementations.
> >
> > Does anybody have additional insights into this? Should I file a bug
> report?
> >
>
> Probably a good idea.
>
> Rafael and David were looking at this sort of thing when I checked last...
>
> -eric
>
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