On Tue, Sep 13, 2022 at 1:18 AM Miguel Ojeda <miguel.ojeda.sandonis@xxxxxxxxx> wrote: > > Hi Masahiro, > > On Mon, Sep 12, 2022 at 5:08 PM Masahiro Yamada <masahiroy@xxxxxxxxxx> wrote: > > > > I have not figured out where this difference comes from. > > It is the `RUSTC_BOOTSTRAP` environment variable: it allows to use > unstable featuers in the stable compiler. Thanks, I learned a new thing. > > We currently set it in the global `Makefile`, but we could be more > explicit and do it on each command if you think that would be better. I checked "make compile_commands.json", but it collects build commands only for C. I did not see any bad scenario with the current approach. > > If you want that we keep using the global export, then we can add a > comment explaining this to clarify. > > Cheers, > Miguel -- Best Regards Masahiro Yamada