message: Added reference to rust/libc issue
diff: @@ -206,7 +206,8 @@ cfg_if::cfg_if! {
  let cx = &*(cx as *const libc::ucontext_t);
  (*cx.uc_mcontext).__ss.__rip as *const u8
  } else if #[cfg(all(target_os = "macos", target_arch = "aarch64"))] {
  - // We need to submit this upfront in rust/libc
  + // This should be integrated into rust/libc
  + // Related issue: https://github.com/rust-lang/libc/issues/1977
  pub struct __darwin_arm_thread_state64 {
  pub __x: [u64; 29], /* General purpose registers x0-x28 */
  pub __fp: u64, /* Frame pointer x29 */
  