[PATCH] D58514: Avoid needlessly copying blocks that initialize or are assigned to local auto variables to the heap
Akira Hatanaka via Phabricator via cfe-commits
cfe-commits at lists.llvm.org
Wed Mar 13 17:10:06 PDT 2019
ahatanak added a comment.
Sorry, I misread the code. If you change the parameter type of `bar` to `BlockTy`, the code crashes. If the type is `id`, it doesn't crash because IRGen copies the block to the heap in `foo` before passing it to `bar`.
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