On Tue, Aug 27, 2019 at 5:50 PM Marek Polacek <pola...@redhat.com> wrote: > > As discussed in 91428 and in > <https://stackoverflow.com/questions/54251530/stdis-constant-evaluated-behavior>, > > if constexpr (std::is_constant_evaluated ()) > // ... > else > // ... > > always evaluates the true branch. Someone in the SO post said "But hopefully > compilers will just diagnose that case" so I'm adding a warning. > > I didn't want to invent a completely new warning so I'm tagging along > -Wtautological-compare. > > Bootstrapped/regtested on x86_64-linux, ok for trunk?
OK. Jason
