puppet parser validate should be configurable to fail on warnings

Puppet Version: 6.0.10
Puppet Server Version: 6.0.5
OS Name/Version: RHEL 7.7 and Windows 10

We use the "puppet parser validate" command to automatically check all manifests before git check-in for correct syntax.

Lately I see a lot of errors in our puppetserver logs because code with bad escaped double quoted strings has been checked in:

Puppet Unrecognized escape sequence '\1' (...)

The "Puppet Unrecognized escape sequence" is only a warning and does not make the validator fail.

Desired Behavior:

I would like to be able to configure the validator to return an error code when the validations throws warnings. That way I can refuse the check-in of code that throws parser warnings.

Actual Behavior:

The parser prints the warning but the command exits with an exit code of zero to signal that the syntax of the manifest file is fine.