[libcxx-commits] [libcxx] [libc++] Avoid -Wzero-as-null-pointer-constant in operator<=> (PR #79465)

[Louis Dionne via libcxx-commits]

ldionne wrote:

> For the record, the change would break some existing uses: https://godbolt.org/z/f5dcYc4G1 .

Can you explain? I'm not familiar with how Catch2's `REQUIRE` macro is implemented, and it seems like that's important for the issue you have in mind.

https://github.com/llvm/llvm-project/pull/79465