Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 29 insertions, 0 deletions

diff --git a/tests/mir-opt/generator_storage_dead_unwind.rs b/tests/mir-opt/generator_storage_dead_unwind.rs
new file mode 100644
index 000000000..b72170ade
--- /dev/null
+++ b/tests/mir-opt/generator_storage_dead_unwind.rs
@@ -0,0 +1,29 @@
+// ignore-wasm32-bare compiled with panic=abort by default
+
+// Test that we generate StorageDead on unwind paths for generators.
+//
+// Basic block and local names can safely change, but the StorageDead statements
+// should not go away.
+
+#![feature(generators, generator_trait)]
+
+struct Foo(i32);
+
+impl Drop for Foo {
+    fn drop(&mut self) {}
+}
+
+struct Bar(i32);
+
+fn take<T>(_x: T) {}
+
+// EMIT_MIR generator_storage_dead_unwind.main-{closure#0}.StateTransform.before.mir
+fn main() {
+    let _gen = || {
+        let a = Foo(5);
+        let b = Bar(6);
+        yield;
+        take(a);
+        take(b);
+    };
+}