Walk down the dominator tree instead of the control flow graph. That means that we can't modify the CFG any more, at least not until it's possible to update the dominator tree (PR217).
Walk down the dominator tree instead of the control flow graph. That means
that we can't modify the CFG any more, at least not until it's possible
to update the dominator tree (PR217).


git-svn-id: 0ff597fd157e6f4fc38580e8d64ab130330d2411@30469 91177308-0d34-0410-b5e6-96231b3b80d8

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