[Chapel Merge] Ignore and warn for extern inline

Branch: refs/heads/main
Revision: 00319f5
Author: mppf
Link: Ignore and warn for extern inline by mppf · Pull Request #18673 · chapel-lang/chapel · GitHub
Log Message:

Merge pull request #18673 from mppf/extern-inline-fix

Ignore and warn for extern inline

Resolves #18672

Adjusts the compiler to ignore inline for extern procs and to warn in that case.

Reviewed by @ronawho - thanks!