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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/traits/issue-22019.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 '')
-rw-r--r--src/test/ui/traits/issue-22019.rs34
1 files changed, 34 insertions, 0 deletions
diff --git a/src/test/ui/traits/issue-22019.rs b/src/test/ui/traits/issue-22019.rs
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+++ b/src/test/ui/traits/issue-22019.rs
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+// run-pass
+// Test an issue where global caching was causing free regions from
+// distinct scopes to be compared (`'g` and `'h`). The only important
+// thing is that compilation succeeds here.
+
+// pretty-expanded FIXME #23616
+
+#![allow(missing_copy_implementations)]
+#![allow(unused_variables)]
+
+use std::borrow::ToOwned;
+
+pub struct CFGNode;
+
+pub type Node<'a> = &'a CFGNode;
+
+pub trait GraphWalk<'c, N> {
+ /// Returns all the nodes in this graph.
+ fn nodes(&'c self) where [N]:ToOwned<Owned=Vec<N>>;
+}
+
+impl<'g> GraphWalk<'g, Node<'g>> for u32
+{
+ fn nodes(&'g self) where [Node<'g>]:ToOwned<Owned=Vec<Node<'g>>>
+ { loop { } }
+}
+
+impl<'h> GraphWalk<'h, Node<'h>> for u64
+{
+ fn nodes(&'h self) where [Node<'h>]:ToOwned<Owned=Vec<Node<'h>>>
+ { loop { } }
+}
+
+fn main() { }