[libcxx-commits] [libcxx] [libc++] Fix UB in bitwise logic of {std, ranges}::{fill, fill_n} algorithms (PR #122410)

[Peng Liu via libcxx-commits]

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winner245 wrote:

Thanks. The compilation flag `-Wshift-negative-value` is now added. 

https://github.com/llvm/llvm-project/pull/122410