This patchkit implements a [[musttail]] attribute for C/C++. v4: Addressed all feedback except clang::musttail is still supported (I don't want to force an #ifdef to most users) and I'm also still using the lookup/remove_attributes (not clear if anything else is worth it and it would certainly be more complicated)
Now added Changelogs. Unified the tests for C/C++ C++ now checks for bogus arguments to gnu::musttail Don't limit C++ tests to C++23 Added noipa to test cases (probably won't make any difference) Other minor changes
