C++11 status page:
 * Mark attributes as done in SVN.
 * Downgrade alignment support from 'Clang 3.0' to 'SVN', now that we actually implement the rules.
 * Upgrade 'Dynamic initialization with concurrency' from 'No' to 'Clang 2.9' -- all that is required here is the ABI-mandated locking for the initialization of static locals.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@175882 91177308-0d34-0410-b5e6-96231b3b80d8