Chandler Carruth 891fb0b4e5 [PM] Remove the (deeply misguided) 'unregister' functionality from the
pass registry.

This style of registry is somewhat questionable, but it being
non-monotonic is crazy. No one is (or should be) unloading DSOs with
passes and unregistering them here. I've checked with a few folks and
I don't know of anyone using this functionality or any important use
case where it is necessary.

git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@219096 91177308-0d34-0410-b5e6-96231b3b80d8
2014-10-06 00:13:25 +00:00
..
2014-06-27 18:19:56 +00:00
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