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Combining SCOPE regions


Hi,
the handling of SEQUENCEs opens quite interesting problem - how do we
want to handle instruction that "belongs" to multiple regions - like
when for instance combine combines instructions from two different
regions.  I am thinking about writing fucntion "combined_scope (scope1,
scope2)" that will simply choose the inner one in case they are nested
or return the first one in case it is non-NULL.  Is there better way to
do so?

Honza


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