[PATCH] D53994: Fixing lower bound regression in certain situations.

[Denis Yaroshevskiy via Phabricator]

dyaroshev added a comment.

In https://reviews.llvm.org/D53994#1284436, @ldionne wrote:

> For simplicity, I did a wholesale revert of https://reviews.llvm.org/D52697 (as r345893) even though that patch included some benchmarks that are probably useful. Feel free to re-submit bits that do not impact the library on their own, but I think the algorithm should only be modified once the regression you found is understood and worked around.


Thank you. Now I'll get my sleep back)


Repository:
  rCXX libc++

https://reviews.llvm.org/D53994