https://gcc.gnu.org/bugzilla/show_bug.cgi?id=122224
Jonathan Wakely <redi at gcc dot gnu.org> changed:
What |Removed |Added
----------------------------------------------------------------------------
Keywords| |patch
Assignee|unassigned at gcc dot gnu.org |redi at gcc dot gnu.org
Target Milestone|--- |16.0
--- Comment #8 from Jonathan Wakely <redi at gcc dot gnu.org> ---
Patch posted:
https://gcc.gnu.org/pipermail/gcc-patches/2025-October/698348.html
With this change the std::prev call becomes erroneoues behaviour, not
undefined. So if you violate the function's precondition, you either get
abort() or a no-op, but not UB.
