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author | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
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committer | Daniel Baumann <daniel.baumann@progress-linux.org> | 2024-04-17 12:19:41 +0000 |
commit | 4f9fe856a25ab29345b90e7725509e9ee38a37be (patch) | |
tree | e4ffd8a9374cae7b21f7cbfb352927e0e074aff6 /compiler/rustc_middle/src/ty/inhabitedness/mod.rs | |
parent | Adding upstream version 1.68.2+dfsg1. (diff) | |
download | rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.tar.xz rustc-4f9fe856a25ab29345b90e7725509e9ee38a37be.zip |
Adding upstream version 1.69.0+dfsg1.upstream/1.69.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r-- | compiler/rustc_middle/src/ty/inhabitedness/mod.rs | 6 |
1 files changed, 3 insertions, 3 deletions
diff --git a/compiler/rustc_middle/src/ty/inhabitedness/mod.rs b/compiler/rustc_middle/src/ty/inhabitedness/mod.rs index 5d5089cec..92a040068 100644 --- a/compiler/rustc_middle/src/ty/inhabitedness/mod.rs +++ b/compiler/rustc_middle/src/ty/inhabitedness/mod.rs @@ -87,7 +87,7 @@ impl<'tcx> VariantDef { InhabitedPredicate::all( tcx, self.fields.iter().map(|field| { - let pred = tcx.type_of(field.did).inhabited_predicate(tcx); + let pred = tcx.type_of(field.did).subst_identity().inhabited_predicate(tcx); if adt.is_enum() { return pred; } @@ -105,7 +105,7 @@ impl<'tcx> VariantDef { impl<'tcx> Ty<'tcx> { pub fn inhabited_predicate(self, tcx: TyCtxt<'tcx>) -> InhabitedPredicate<'tcx> { match self.kind() { - // For now, union`s are always considered inhabited + // For now, unions are always considered inhabited Adt(adt, _) if adt.is_union() => InhabitedPredicate::True, // Non-exhaustive ADTs from other crates are always considered inhabited Adt(adt, _) if adt.is_variant_list_non_exhaustive() && !adt.did().is_local() => { @@ -191,7 +191,7 @@ fn inhabited_predicate_type<'tcx>(tcx: TyCtxt<'tcx>, ty: Ty<'tcx>) -> InhabitedP // If we can evaluate the array length before having a `ParamEnv`, then // we can simplify the predicate. This is an optimization. - Array(ty, len) => match len.kind().try_to_machine_usize(tcx) { + Array(ty, len) => match len.kind().try_to_target_usize(tcx) { Some(0) => InhabitedPredicate::True, Some(1..) => ty.inhabited_predicate(tcx), None => ty.inhabited_predicate(tcx).or(tcx, InhabitedPredicate::ConstIsZero(len)), |