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

Joe Groff jgroff at apple.com
Sun Feb 28 12:19:39 CST 2016

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.


> 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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