Bill Wendling 3467e30edf Create a new class: AttributeSetNode.
This is a helper class for the AttributeSetImpl class. It holds a set of
attributes that apply to a single element: function, return type, or
parameter.

These are uniqued.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@173310 91177308-0d34-0410-b5e6-96231b3b80d8
2013-01-24 00:06:56 +00:00
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2013-01-24 00:06:56 +00:00