[libcxx-commits] [libcxx] [libc++][test] Add `void` cast to a discarded call to `remquo` (PR #213849)

[A. Jiang via libcxx-commits]

frederick-vs-ja wrote:

> Not against this, but I do wonder whether we shouldn't go through `<cmath>` and add `[[nodiscard]]` throughout.

This seemed discussed in #171763. Perhaps we wanted Clang to make some diagnostics specific to `<cmath>` functions, but I'm not very sure.

https://github.com/llvm/llvm-project/pull/213849