diff options
Diffstat (limited to 'compiler/rustc_middle/src/ty/structural_impls.rs')
| -rw-r--r-- | compiler/rustc_middle/src/ty/structural_impls.rs | 11 |
1 files changed, 10 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/ty/structural_impls.rs b/compiler/rustc_middle/src/ty/structural_impls.rs index ab31d943408..a5fdce93e4b 100644 --- a/compiler/rustc_middle/src/ty/structural_impls.rs +++ b/compiler/rustc_middle/src/ty/structural_impls.rs @@ -4,6 +4,7 @@ //! to help with the tedium. use std::fmt::{self, Debug}; +use std::marker::PhantomData; use rustc_abi::TyAndLayout; use rustc_hir::def::Namespace; @@ -234,6 +235,7 @@ TrivialLiftImpls! { rustc_abi::ExternAbi, rustc_abi::Size, rustc_hir::Safety, + rustc_middle::mir::ConstValue, rustc_type_ir::BoundConstness, rustc_type_ir::PredicatePolarity, // tidy-alphabetical-end @@ -250,7 +252,7 @@ TrivialTypeTraversalImpls! { crate::mir::BlockTailInfo, crate::mir::BorrowKind, crate::mir::CastKind, - crate::mir::ConstValue<'tcx>, + crate::mir::ConstValue, crate::mir::CoroutineSavedLocal, crate::mir::FakeReadCause, crate::mir::Local, @@ -311,6 +313,13 @@ TrivialTypeTraversalAndLiftImpls! { /////////////////////////////////////////////////////////////////////////// // Lift implementations +impl<'tcx> Lift<TyCtxt<'tcx>> for PhantomData<&()> { + type Lifted = PhantomData<&'tcx ()>; + fn lift_to_interner(self, _: TyCtxt<'tcx>) -> Option<Self::Lifted> { + Some(PhantomData) + } +} + impl<'tcx, T: Lift<TyCtxt<'tcx>>> Lift<TyCtxt<'tcx>> for Option<T> { type Lifted = Option<T::Lifted>; fn lift_to_interner(self, tcx: TyCtxt<'tcx>) -> Option<Self::Lifted> { |