https://gcc.gnu.org/bugzilla/show_bug.cgi?id=64639
Chengnian Sun <chengniansun at gmail dot com> changed: What |Removed |Added ---------------------------------------------------------------------------- CC| |chengniansun at gmail dot com --- Comment #2 from Chengnian Sun <chengniansun at gmail dot com> --- (In reply to Andrew Pinski from comment #1) > "(a = 0) != 0" has a side effect of setting a to 0. > > I think in this case, clang is incorrectly warning about it. I agree that (a = 0) has a side effect, but the comparison "!=" is not used.