Add __traits(getTargetInfo, "predefinedVersions")

[ibuclaw]

trafficstars

This information is already printed to console with -v option. As an experiment, this exposes that same information to __traits.

[dlang-bot]

Thanks for your pull request, @ibuclaw!

Bugzilla references

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Testing this PR locally

If you don't have a local development environment setup, you can use Digger to test this PR:

dub run digger -- build "master + dmd#14209"

[thewilsonator]

Is this only ones passed on the command line, or does this also include ones declared at module scope?

[ibuclaw]

Is this only ones passed on the command line, or does this also include ones declared at module scope?

Only command-line. Module scope versions would be somewhere else - I'm guessing you'd have to pass which module as an argument, or take it from the current scope if not null.

[thewilsonator]

Only command-line.

Noted. Please ensure that docs and changelog reflect this.