[libcxx-commits] [PATCH] D134625: Summary:bug fix! Rotation direction on `__countl_zero()`probably unnoticed because only affects rare cases(does not affect 128 bit ints because rotation is effectively swap)(does not affect integers of sizes less or equal to 64bits)

Mon Sep 26 06:19:25 PDT 2022

ldionne added a comment.

In D134625#3814774 <https://reviews.llvm.org/D134625#3814774>, @jloser wrote:

> Is there a test we can add to exhibit this bug and verify this fixes the problem?

Indeed, let's add a test. Also, how did you encounter this bug?

Repository:
  rG LLVM Github Monorepo

CHANGES SINCE LAST ACTION
  https://reviews.llvm.org/D134625/new/

https://reviews.llvm.org/D134625