https://gcc.gnu.org/bugzilla/show_bug.cgi?id=123819
Boris Staletic <boris.staletic at protonmail dot com> changed:
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--- Comment #2 from Boris Staletic <boris.staletic at protonmail dot com> ---
Reduced test case:
```
#include <meta>
constexpr auto views =
std::meta::reflect_constant([:std::meta::reflect_constant_string("as"):] + 1);
```
Seems like `reflect_constant()` fails if the argument is derived from a string
that is a result of a splice operator:
https://godbolt.org/z/nP97s7jxh
A workaround is adding an owning, structural string type:
https://godbolt.org/z/EzE68Mo9G
