Rewrite control-flow diagnostic generation "extensive" algorithm using "edge
contexts".  This allows us to use a stack of contexts to keep track of what control-flow pieces to include when exiting blocks like 'if', 'for', etc.


git-svn-id: https://llvm.org/svn/llvm-project/cfe/trunk@68473 91177308-0d34-0410-b5e6-96231b3b80d8
1 file changed