Nikita Popov bb3763e497 Revert "[SimplifyCFG] Allow dropping block that only contains ephemeral values"
This reverts commit 20f0c68fd83a0147a8ec1722bd2e848180610288.

https://reviews.llvm.org/D153966#4464594 reports an optimization
regression in Rust.

Additionally this change has caused an unexpected 0.3% compile-time
regression.
2023-06-30 21:24:05 +02:00
..