Tom Cloyd wrote:
> My first attempt to move to ruby 1.9, and it's not going well.
> 
> I need the debugger. I usually use the ruby-debug gem, but that's
> inexplicably not working in 1.9 - won't install.
> 
> So and now I'm invoking the debugger from the command line - and I'm
> getting behavior I've never seen before. Basically, it's not obeying
> elementary commands. I ask it to run to a specific line, and it stops in
> some obscure library, which is of no use to me.  Example:

Since the debugger you're using is written in ruby, you could try to 
hack the code and see if you can fix a bug [it might be just that the 
line is being optimized out, though, see also a few trace related bugs 
on ruby core].
Anyway the good news is you can use ruby-debug with 1.9 now.
http://github.com/mark-moseley/ruby-debug/tree/master
=r
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