[lld] [mlir] [clang] [llvm] [libcxx] [openmp] [libc] [clang-tools-extra] [compiler-rt] [lldb] [flang] [libc++][format] P2637R3: Member `visit` (`std::basic_format_arg`) (PR #76449)

[Hristo Hristov via cfe-commits]

H-G-Hristov wrote:

This FreeBSD failure seems unrelated, the same appears in `variant`:

```
# .---command stderr------------
# | In file included from /usr/home/buildkite/.buildkite-agent/builds/freebsd-test-1/llvm-project/libcxx-ci/libcxx/test/libcxx/assertions/modes/override_with_fast_mode.pass.cpp:19:
# | /home/buildkite/.buildkite-agent/builds/freebsd-test-1/llvm-project/libcxx-ci/libcxx/test/support/check_assertion.h:293:25: error: use of undeclared identifier 'SIGILL'
# |       if (exit_code_ == SIGILL || exit_code_ == SIGTRAP) {
# |                         ^
# | /home/buildkite/.buildkite-agent/builds/freebsd-test-1/llvm-project/libcxx-ci/libcxx/test/support/check_assertion.h:293:49: error: use of undeclared identifier 'SIGTRAP'
# |       if (exit_code_ == SIGILL || exit_code_ == SIGTRAP) {
# |                                                 ^
# | 2 errors generated.
# `-----------------------------
# error: command failed with exit status: 1

https://github.com/llvm/llvm-project/pull/76449