Merging upstream version 1.70.0+dfsg1.

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

1 files changed, 24 insertions, 0 deletions

diff --git a/tests/run-make/volatile-intrinsics/main.rs b/tests/run-make/volatile-intrinsics/main.rs
new file mode 100644
index 000000000..4295d95f3
--- /dev/null
+++ b/tests/run-make/volatile-intrinsics/main.rs
@@ -0,0 +1,24 @@
+#![feature(core_intrinsics, volatile)]
+
+use std::intrinsics::{
+    unaligned_volatile_load, unaligned_volatile_store, volatile_load, volatile_store,
+};
+use std::ptr::{read_volatile, write_volatile};
+
+pub fn main() {
+    unsafe {
+        let mut i: isize = 1;
+        volatile_store(&mut i, 2);
+        assert_eq!(volatile_load(&i), 2);
+    }
+    unsafe {
+        let mut i: isize = 1;
+        unaligned_volatile_store(&mut i, 2);
+        assert_eq!(unaligned_volatile_load(&i), 2);
+    }
+    unsafe {
+        let mut i: isize = 1;
+        write_volatile(&mut i, 2);
+        assert_eq!(read_volatile(&i), 2);
+    }
+}