[cfe-dev] Question about test show-diag-options.c

[John Wiegley]

I am looking at a test, test/Misc/show-diag-options.c, and I see this line:

  // CATEGORY_ID: {{.*}}: warning: {{[a-z ]+}} [2]

Can anyone tell me where this [2] comes from?  I see that it refers to a diag
category index of some kind, but I can't figure out from .td files why the
category for that particular warning should have an index of "2".

Thanks,
-- 
  John Wiegley
  BoostPro Computing, Inc.
  http://www.boostpro.com