https://gcc.gnu.org/bugzilla/show_bug.cgi?id=100185
--- Comment #5 from gnzlbg <gonzalo.gadeschi at gmail dot com> --- Thank you for the clarification! Will map Rust repr(transparent) to clang's [[clang::trivial_abi]] then and will gracefully #pragma error to prevent users from shooting themselves in the foot with GCC.
