[Bug tree-optimization/104547] std::vector::resize(v.size() - n) produces poor code

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

https://gcc.gnu.org/bugzilla/show_bug.cgi?id=104547

--- Comment #13 from Jonathan Wakely <redi at gcc dot gnu.org> ---
This test fails with this proposed patch:
https://gcc.gnu.org/pipermail/gcc-patches/2025-July/689128.html