fn rwlock_get_id<'tcx>(
ecx: &mut MiriInterpCx<'tcx>,
rwlock_op: &OpTy<'tcx, Provenance>,
) -> InterpResult<'tcx, RwLockId>fn rwlock_get_id<'tcx>(
ecx: &mut MiriInterpCx<'tcx>,
rwlock_op: &OpTy<'tcx, Provenance>,
) -> InterpResult<'tcx, RwLockId>