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, 12 insertions, 0 deletions

diff --git a/src/test/mir-opt/nrvo-simple.rs b/src/test/mir-opt/nrvo-simple.rs
new file mode 100644
index 000000000..5786ae621
--- /dev/null
+++ b/src/test/mir-opt/nrvo-simple.rs
@@ -0,0 +1,12 @@
+// unit-test: RenameReturnPlace
+
+// EMIT_MIR nrvo_simple.nrvo.RenameReturnPlace.diff
+fn nrvo(init: fn(&mut [u8; 1024])) -> [u8; 1024] {
+    let mut buf = [0; 1024];
+    init(&mut buf);
+    buf
+}
+
+fn main() {
+    let _ = nrvo(|buf| { buf[4] = 4; });
+}