[Chapel Merge] Add nightly test script for bundled LLVM

Branch: refs/heads/main
Revision: 420ebba0e435d8620d6b64d3f0b402517230ce79
Author: riftEmber
Link: Add nightly test script for bundled LLVM by riftEmber · Pull Request #25535 · chapel-lang/chapel · GitHub
Log Message:
Add nightly test script for bundled LLVM (#25535)

Add a nightly test script which tests examples on linux64 using the
bundled LLVM.

To be merged with
https://github.hpe.com/hpe/hpc-chapel-ci-config/pull/1247 which sets up
a test config using this script.

Resolves https://github.com/Cray/chapel-private/issues/4937.

[reviewed by @jabraham17 , thanks!]

Testing:

  • manual run

Compare: Comparing 32e315061250608ceb1770b000e83b50eac47288...77e657298335e3a6eed5e09acffbd928cc9f15d4 · chapel-lang/chapel · GitHub

Diff:
A util/cron/test-linux64-llvm-bundled.bash
https://github.com/chapel-lang/chapel/pull/25535.diff