[Bug c++/96223] DR 1787 and indeterminate values in constexpr context

[richard-gccbugzilla at metafoo dot co.uk]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=96223

Richard Smith <richard-gccbugzilla at metafoo dot co.uk> changed:

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--- Comment #2 from Richard Smith <richard-gccbugzilla at metafoo dot co.uk> ---
P1331R2 explicitly disallows in a constant evaluation:

"- an lvalue-to-rvalue conversion that is applied to an object with
indeterminate value ([basic.indet]);"

so GCC is correct to reject such cases.