[Bug tree-optimization/117063] [14/15 Regression] Incorrect stringop-overread warning using std::vector::insert at -O3

[sjames at gcc dot gnu.org via Gcc-bugs]

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=117063

--- Comment #3 from Sam James <sjames at gcc dot gnu.org> ---
Note the testcase also errors for me on 12, but works on 13 (then fails on 14,
works on 15). Should we file that separately?