message: Fix vmctx offset tests.
diff: @@ -348,43 +348,45 @@ impl Anyfunc {
  #[cfg(test)]
  mod vm_offset_tests {
  - use super::{Anyfunc, Ctx, ImportedFunc, LocalGlobal, LocalMemory, LocalTable};
  + use super::{Anyfunc, Ctx, ImportedFunc, InternalCtx, LocalGlobal, LocalMemory, LocalTable};
  #[test]
  fn vmctx() {
  + assert_eq!(0usize, offset_of!(Ctx => internal).get_byte_offset(),);
  +
  assert_eq!(
  Ctx::offset_memories() as usize,
  - offset_of!(Ctx => memories).get_byte_offset(),
  + offset_of!(InternalCtx => memories).get_byte_offset(),
  );
  assert_eq!(
  Ctx::offset_tables() as usize,
  - offset_of!(Ctx => tables).get_byte_offset(),
  + offset_of!(InternalCtx => tables).get_byte_offset(),
  );
  assert_eq!(
  Ctx::offset_globals() as usize,
  - offset_of!(Ctx => globals).get_byte_offset(),
  + offset_of!(InternalCtx => globals).get_byte_offset(),
  );
  assert_eq!(
  Ctx::offset_imported_memories() as usize,
  - offset_of!(Ctx => imported_memories).get_byte_offset(),
  + offset_of!(InternalCtx => imported_memories).get_byte_offset(),
  );
  assert_eq!(
  Ctx::offset_imported_tables() as usize,
  - offset_of!(Ctx => imported_tables).get_byte_offset(),
  + offset_of!(InternalCtx => imported_tables).get_byte_offset(),
  );
  assert_eq!(
  Ctx::offset_imported_globals() as usize,
  - offset_of!(Ctx => imported_globals).get_byte_offset(),
  + offset_of!(InternalCtx => imported_globals).get_byte_offset(),
  );
  assert_eq!(
  Ctx::offset_imported_funcs() as usize,
  - offset_of!(Ctx => imported_funcs).get_byte_offset(),
  + offset_of!(InternalCtx => imported_funcs).get_byte_offset(),
  );
  assert_eq!(
  