[racket-dev] Weird failure w/ DrRacket

From: Robby Findler (robby at eecs.northwestern.edu)
Date: Fri May 31 10:28:59 EDT 2013

No that's a bug I introduced I think.

Do you get a stack trace?

On Friday, May 31, 2013, Sam Tobin-Hochstadt wrote:

> Recently, I've been seeing the following behavior:
>
> - Open DrRacket on a file
> - add a syntax error
> - get this internal error:
>
> vector-ref: contract violation
>   expected: vector?
>   given: '#s(exn-info "post.rkt:8:0: define: bad syntax in: (define)"
> (#(177 9)) () #f)
>   argument position: 1st
>   other arguments...:
>    1
>
> - the definitions window goes blank, and never comes back (for that tab).
>
> Disabling online compilation seems to make the problem go away.
>
> I assume I've done something to break my installation, but I'm not sure
> what.
>
> Sam
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