https://gcc.gnu.org/bugzilla/show_bug.cgi?id=109045
Thiago Macieira <thiago at kde dot org> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |thiago at kde dot org --- Comment #2 from Thiago Macieira <thiago at kde dot org> --- GCC doesn't print anything and doesn't take the assumption into account, but Clang prints: warning: assumption is ignored because it contains (potential) side-effects [-Wassume] 8 | [[assume(!r || *r > 0)]]; | ~~~~~~~~~^~~~~~~~~~~~~~~