[PATCH] Defining a new API for debug options that doesn't rely on static global cl::opts.

[Chandler Carruth]

Sorry for the delay, but I do think it is really important to get basic API documentation right.

Anyways, this looks much better as an initial iteration on the API. Thanks, and please commit.

================
Comment at: include/llvm/Support/Options.h:9
@@ +8,3 @@
+//===----------------------------------------------------------------------===//
+/// /file
+/// This file declares helper objects for defining debug options that can be
----------------
its '\file'

http://reviews.llvm.org/D5389