John McCall f4beacd059 Whenever explicitly activating or deactivating a cleanup, we ...

need to provide a 'dominating IP' which is guaranteed to
dominate the (de)activation point but which cannot be avoided
along any execution path from the (de)activation point to
the push-point of the cleanup.  Using the entry block is
bad mojo.

llvm-svn: 144276

2011-11-10 10:43:54 +00:00

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