rspec/rspec-core — pull request #999 by JonRowe (2013-07-18 06:09:36+00:00)
Title: Warn about non integer --profile arguments

If you try to specify a non integer argument to `--profile` it's silently swallowed and leads to interesting behaviour (see #998) this warns about it. We could also use deprecate to warn about this but it's not really a deprecation...