[Chapel Merge] Add future showing bug in copy propagation

Branch: refs/heads/main
Revision: fcdd12c
Author: bradcray
Link: Add future showing bug in copy propagation by bradcray · Pull Request #19596 · chapel-lang/chapel · GitHub
Log Message:

Merge pull request #19596 from bradcray/copyPropBug

Add future showing bug in copy propagation

This captures a bug that I hit while trying to come up with ways of
tightening up the code size in our revcomp entry for PR #19597.
Something about using this in intent messes up the compiler,
though I'm not sure what. :cry:

Modified Files:
A test/studies/shootout/reverse-complement/bradc/revcomp-blc-copyPropBug.bad

A test/studies/shootout/reverse-complement/bradc/revcomp-blc-copyPropBug.chpl
A test/studies/shootout/reverse-complement/bradc/revcomp-blc-copyPropBug.future

Compare: https://github.com/chapel-lang/chapel/compare/e1715332c454...fcdd12c211fc