[swift-users] Command failed due to signal: Illegal instruction: 4

[Ramakrishna Mallireddy]

You can debug the swift front-end in Xcode.
I haven't found the correct solution to generate the xcode Debug project
that builds and runs straight away, but managed to do it with little work
arounds to have the swift code debug running in Xcode. It mightn't be the
correct solution, but I got what I am looking for i.e debugging swift
front-end in xcode.

On Mon, Feb 29, 2016 at 2:59 AM, Ryan Lovelett via swift-users <
swift-users at swift.org> wrote:

> On Sun, Feb 28, 2016, at 01:19 PM, Joe Groff via swift-users wrote:
> > Ryan Lovelett via swift-users <swift-users at swift.org> wrote:
> > > I'm trying to compile some code that interacts with FFmpeg and for the
> > > most part have been making progress. Until I added some AVFilter code.
> > > Now it is failing to compile with the error: "Command failed due to
> > > signal: Illegal instruction: 4".
> > >
> >
> > The compiler crashing is always a bug. Please file a bug if you have
> > time.
> > Thanks!
> >
> > -Joe
>
> Joe, thank you confirming my hunch. I've gone ahead and done that.
> https://bugs.swift.org/browse/SR-846
>
> As you might imagine this is now a blocking bug for my project. I'd
> really like to fix this as soon as humanly possible.
>
> I also realize that, while a priority for me, it is may not be for
> anyone else. With that in mind, my assumption is that if its going to be
> fixed "soon" I probably need to fix it myself. Unfortunately, I have
> little experience with this and would not know where to begin. Is there
> anything I can read that might explain how to begin debugging the
> compiler?
>
> >
> > > The log Xcode provided of the build error is attached. All of the
> source
> > > code that was used to trigger the error can be found here
> > > (https://git.lovelett.me/castable/live) on a branch called "swift".
> > >
> > >  Should I file a bug for this or am I doing something wrong?
> > >
> > >
> > >
> > >
> >
> >
> >
> >
> > _______________________________________________
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> > swift-users at swift.org
> > https://lists.swift.org/mailman/listinfo/swift-users
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>
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