https://gcc.gnu.org/bugzilla/show_bug.cgi?id=110643
--- Comment #14 from Mathieu Malaterre <malat at debian dot org> --- Here is a first reproducer. Using GCC-13.2.0 % g++ -O0 -o works tu.cc && ./works % g++ -O1 -o fails tu.cc && ./fails zsh: abort ./fails
