push categories forward a bit more: document them, add some
major buckets to catch parser and sema issues, add inline asm
category, and make diag groups take precedence over the 
sweeping categories just added.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@104561 91177308-0d34-0410-b5e6-96231b3b80d8
6 files changed