P0533 constexpr for <cmath> and <cstdlib>

[jensmaurer]

P0533R4 constexpr for <cmath> and <cstdlib> (Edward J. Rosten, Oliver J. Rosten)

https://issues.isocpp.org/show_bug.cgi?id=272

[jensmaurer]

Marshall: "We didn't get to 533, either."

[wg21bot]

P0533R5 constexpr for <cmath> and <cstdlib> (Oliver Rosten, Edward Rosten)

[jensmaurer]

CWG declares disinterest in this paper.

We don't want the "is not a core constant expression" to stay in the current state (sounds like a definition of "core constant expression"); something like "causes X not to be a core constant expression".

[mclow]

This was not adopted for C++20. Removing the "C++20" label.