On Mon, May 15, 2023 at 11:43 AM Jakub Jelinek <ja...@redhat.com> wrote: > > On Mon, May 15, 2023 at 11:41:46AM -0400, Jason Merrill via Gcc-patches wrote: > > On 5/15/23 11:24, Patrick Palka wrote: > > > This adds the feature-test macro for PR0849R8, as per > > > https://github.com/cplusplus/CWG/issues/281. > > > > > > Tested on x86_64-pc-linux-gnu, does this look OK for trunk/13? > > > > OK. > > https://gcc.gnu.org/projects/cxx-status.html#cxx23 lists it already in 12, > shouldn't that go to 12 branch as well?
D'oh, I misremembered when Marek implemented this! I can backport it to 12 as well. > > > > > gcc/c-family/ChangeLog: > > > > > > * c-cppbuiltin.cc (c_cpp_builtins): Predefine __cpp_auto_cast > > > for C++23. > > > > > > gcc/testsuite/ChangeLog: > > > > > > * g++.dg/cpp23/feat-cxx2b.C: Test __cpp_auto_cast. > > Jakub >
