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authorDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
committerDaniel Baumann <daniel.baumann@progress-linux.org>2024-04-17 12:02:58 +0000
commit698f8c2f01ea549d77d7dc3338a12e04c11057b9 (patch)
tree173a775858bd501c378080a10dca74132f05bc50 /src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs
parentInitial commit. (diff)
downloadrustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.tar.xz
rustc-698f8c2f01ea549d77d7dc3338a12e04c11057b9.zip
Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1
Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>
Diffstat (limited to 'src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs')
-rw-r--r--src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs21
1 files changed, 21 insertions, 0 deletions
diff --git a/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs
new file mode 100644
index 000000000..f6ab9c203
--- /dev/null
+++ b/src/test/ui/higher-rank-trait-bounds/normalize-under-binder/issue-81809.rs
@@ -0,0 +1,21 @@
+// check-pass
+
+pub trait Indexable {
+ type Idx;
+}
+impl Indexable for u8 {
+ type Idx = u8;
+}
+impl Indexable for u16 {
+ type Idx = u16;
+}
+
+pub trait Indexer<T: Indexable>: std::ops::Index<T::Idx, Output = T> {}
+
+trait StoreIndex: Indexer<u8> + Indexer<u16> {}
+
+fn foo(st: &impl StoreIndex) -> &dyn StoreIndex {
+ st as &dyn StoreIndex
+}
+
+fn main() {}