[PATCH] D75341: [BFI] Use CallbackVH to notify BFI about deletion of basic blocks

[David Li via Phabricator via llvm-commits]

davidxl added a comment.

This looks good, but it does have implications on memory consumption for BFI.  To avoid that, gate the data structure change on #ifndef NDEBUG.


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  https://reviews.llvm.org/D75341/new/

https://reviews.llvm.org/D75341