Factor out stereotypical ways of getting variable indices.
More informative comment describing INST_SYNTAX.
Working on a better compiler for [try]; found some bugs in previous compilation
code which aren't resolved yet.
Improving tests, fixed one case.
Fix the problems with code generation; behavior now appears correct.
[779d38b996]: Make the 'try' compiler handle -during right and compile some
more cases than it did before.
merge near trunk
undo mistaken commit
Merge trunk (creates new stack estimate breakage).
Repair stack estimates.
Fix stack estimates for INST_EXPAND_DROP.