https://gcc.gnu.org/bugzilla/show_bug.cgi?id=119962
Bug ID: 119962
Summary: <ranges>: __maybe_present_t misses initialization
Product: gcc
Version: 15.0
Status: UNCONFIRMED
Severity: normal
Priority: P3
Component: libstdc++
Assignee: unassigned at gcc dot gnu.org
Reporter: hewillk at gmail dot com
Target Milestone: ---
It looks like libstdc++'s __maybe_present_t is always missing initialization,
which leads to failure to make some constexpr singular iterators:
https://godbolt.org/z/eaaE8xn6z
