Bill Wendling 9be8b4fc92 Reinitialize the ivars in the subtarget.
When we're recalculating the feature set of the subtarget, we need to have the
ivars in their initial state.


git-svn-id: https://llvm.org/svn/llvm-project/llvm/trunk@175320 91177308-0d34-0410-b5e6-96231b3b80d8
2013-02-15 23:18:01 +00:00
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