Adding upstream version 1.64.0+dfsg1.upstream/1.64.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 25 insertions, 0 deletions

diff --git a/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs b/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs
new file mode 100644
index 000000000..2c8a700bc
--- /dev/null
+++ b/src/test/ui/borrowck/issue-82126-mismatched-subst-and-hir.rs
@@ -0,0 +1,25 @@
+// Regression test for #82126. Checks that mismatched lifetimes and types are
+// properly handled.
+
+// edition:2018
+
+use std::sync::Mutex;
+
+struct MarketMultiplier {}
+
+impl MarketMultiplier {
+    fn buy(&mut self) -> &mut usize {
+        todo!()
+    }
+}
+
+async fn buy_lock(generator: &Mutex<MarketMultiplier>) -> LockedMarket<'_> {
+    //~^ ERROR this struct takes 0 lifetime arguments but 1 lifetime argument was supplied
+    //~^^ ERROR this struct takes 1 generic argument but 0 generic arguments were supplied
+    LockedMarket(generator.lock().unwrap().buy())
+    //~^ ERROR cannot return value referencing temporary
+}
+
+struct LockedMarket<T>(T);
+
+fn main() {}