Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 18 insertions, 0 deletions

diff --git a/tests/ui/consts/const-mut-refs/issue-76510.rs b/tests/ui/consts/const-mut-refs/issue-76510.rs
new file mode 100644
index 000000000..b853e2737
--- /dev/null
+++ b/tests/ui/consts/const-mut-refs/issue-76510.rs
@@ -0,0 +1,18 @@
+// stderr-per-bitwidth
+
+use std::mem::{transmute, ManuallyDrop};
+
+const S: &'static mut str = &mut " hello ";
+//~^ ERROR: mutable references are not allowed in the final value of constants
+//~| ERROR: mutation through a reference is not allowed in constants
+//~| ERROR: cannot borrow data in a `&` reference as mutable
+
+const fn trigger() -> [(); unsafe {
+        let s = transmute::<(*const u8, usize), &ManuallyDrop<str>>((S.as_ptr(), 3));
+        //~^ constant
+        0
+    }] {
+    [(); 0]
+}
+
+fn main() {}