sym::const_allocate => {
(0, vec![tcx.types.usize, tcx.types.usize], tcx.mk_mut_ptr(tcx.types.u8))
}
+ sym::const_deallocate => (
+ 0,
+ vec![tcx.mk_mut_ptr(tcx.types.u8), tcx.types.usize, tcx.types.usize],
+ tcx.mk_unit(),
+ ),
sym::ptr_offset_from => {
(1, vec![tcx.mk_imm_ptr(param(0)), tcx.mk_imm_ptr(param(0))], tcx.types.isize)