[Chapel Merge] Adjust COMPILER_PATH after loading gnu for XC Arko

Branch: refs/heads/master
Revision: 431f406
Author: ronawho
Log Message:

Merge pull request #17661 from ronawho/fix-comp-path-xc-ak

Adjust COMPILER_PATH after loading gnu for XC Arkouda testing

Follow on to #17656. Was mistakenly setting it before loading gnu module,
which set COMPILER_PATH to the system gcc instead of the module one.

Modified Files:
M util/cron/test-perf.cray-xc.arkouda.bash

Compare: https://github.com/chapel-lang/chapel/compare/aa0a020424eb...431f40627257