bjoernager/rust
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Add specialized variants of mk_region.

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Much like there are specialized variants of `mk_ty`. This will enable
some optimization in the next commit.

Also rename the existing `re_error*` functions as `mk_re_error*`, for
consistency.
This commit is contained in:
Nicholas Nethercote 2023-02-13 13:03:45 +11:00
parent 7439028374
commit cef9004f5a
39 changed files with 196 additions and 173 deletions
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5
compiler/rustc_ty_utils/src/abi.rs
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@ -70,7 +70,7 @@ fn fn_sig_for_fn_abi<'tcx>(
var: ty::BoundVar::from_usize(bound_vars.len() - 1),
kind: ty::BoundRegionKind::BrEnv,
};
let env_region = ty::ReLateBound(ty::INNERMOST, br);
let env_region = tcx.mk_re_late_bound(ty::INNERMOST, br);
let env_ty = tcx.closure_env_ty(def_id, substs, env_region).unwrap();
let sig = sig.skip_binder();
@ -95,8 +95,7 @@ fn fn_sig_for_fn_abi<'tcx>(
var: ty::BoundVar::from_usize(bound_vars.len() - 1),
kind: ty::BoundRegionKind::BrEnv,
};
let env_region = ty::ReLateBound(ty::INNERMOST, br);
let env_ty = tcx.mk_mut_ref(tcx.mk_region(env_region), ty);
let env_ty = tcx.mk_mut_ref(tcx.mk_re_late_bound(ty::INNERMOST, br), ty);
let pin_did = tcx.require_lang_item(LangItem::Pin, None);
let pin_adt_ref = tcx.adt_def(pin_did);