https://gcc.gnu.org/bugzilla/show_bug.cgi?id=91281
Jonathan Wakely <redi at gcc dot gnu.org> changed: What |Removed |Added ---------------------------------------------------------------------------- Status|UNCONFIRMED |NEW Last reconfirmed| |2019-07-29 Ever confirmed|0 |1 --- Comment #1 from Jonathan Wakely <redi at gcc dot gnu.org> --- Agreed. It should probably be checked with __glibcxx_assert so it's enabled by _GLIBCXX_ASSERTIONS not just the full Debug Mode.