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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:11:38 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:12:43 +0000
commitcf94bdc0742c13e2a0cac864c478b8626b266e1b (patch)
tree044670aa50cc5e2b4229aa0b6b3df6676730c0a6 /compiler/rustc_hir_analysis/src/outlives/utils.rs
parentAdding debian version 1.65.0+dfsg1-2. (diff)
downloadrustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.tar.xz
rustc-cf94bdc0742c13e2a0cac864c478b8626b266e1b.zip
Merging upstream version 1.66.0+dfsg1.
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to '')
-rw-r--r--compiler/rustc_hir_analysis/src/outlives/utils.rs (renamed from compiler/rustc_typeck/src/outlives/utils.rs)17
1 files changed, 17 insertions, 0 deletions
diff --git a/compiler/rustc_typeck/src/outlives/utils.rs b/compiler/rustc_hir_analysis/src/outlives/utils.rs
index 3e8d023fb..0409c7081 100644
--- a/compiler/rustc_typeck/src/outlives/utils.rs
+++ b/compiler/rustc_hir_analysis/src/outlives/utils.rs
@@ -96,6 +96,23 @@ pub(crate) fn insert_outlives_predicate<'tcx>(
.or_insert(span);
}
+ Component::Opaque(def_id, substs) => {
+ // This would arise from something like:
+ //
+ // ```rust
+ // type Opaque<T> = impl Sized;
+ // fn defining<T>() -> Opaque<T> {}
+ // struct Ss<'a, T>(&'a Opaque<T>);
+ // ```
+ //
+ // Here we want to have an implied bound `Opaque<T>: 'a`
+
+ let ty = tcx.mk_opaque(def_id, substs);
+ required_predicates
+ .entry(ty::OutlivesPredicate(ty.into(), outlived_region))
+ .or_insert(span);
+ }
+
Component::EscapingProjection(_) => {
// As above, but the projection involves
// late-bound regions. Therefore, the WF