Debugging data on Alpha

[Toon Moene]

Richard Henderson wrote:

> I very much dislike how we implemented this for LRS.  Those notes
> remap lots of registers simultaneously, and constrain them all to
> the same begin/end notes, and can't represent overlapping ranges.

Fascinating - I thought Live Ranges were disjoint [ wherefore the
splitting ]; I'm surely interested in example code were it's not :-)

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