https://gcc.gnu.org/bugzilla/show_bug.cgi?id=105867
Gustaw Smolarczyk <wielkiegie at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |wielkiegie at gmail dot com --- Comment #5 from Gustaw Smolarczyk <wielkiegie at gmail dot com> --- This warning is triggered just by std::set::swap(std::set&) when optimizing. https://godbolt.org/z/e84xPMdf6 -------- #include <set> void foo() { std::set<int> x, y; x.swap(y); } --------