It looks like it is compiling, but I misunderstood the requirements of static_assert() to be compatible with compile time tests for constexpr. How should I be testing results at compile time? On Fri, Sep 11, 2020 at 6:51 PM Jonathan Wakely <jwakely.gcc@xxxxxxxxx> wrote: > > On Fri, 11 Sep 2020 at 23:20, Josh Marshall > <joshua.r.marshall.1991@xxxxxxxxx> wrote: > > > > That's not quite it. While I did see a few things which I should have > > done better, I'm getting similar errors. Even after a few rebases on > > gnu's master I'm getting failures when invoking arguments to test > > c++20 code. The output is below. No new information is in > > libstdc++.sum. > > Because that file is just the summary of results, look in > libstdc++.log for the errors. > > The errors you're getting mean the testsuite won't even start, because > the support files that need to be compiled before any tests run are > failing to compile. The .log file will tell you what's wrong.