Auto merge of #72727 - JohnTitor:rollup-nni16m2, r=JohnTitor

Rollup of 11 pull requests

Successful merges:

 - #71633 (Impl Error for Infallible)
 - #71843 (Tweak and stabilize AtomicN::fetch_update)
 - #72288 (Stabilization of weak-into-raw)
 - #72324 (Stabilize AtomicN::fetch_min and AtomicN::fetch_max)
 - #72452 (Clarified the documentation for Formatter::precision)
 - #72495 (Improve E0601 explanation)
 - #72534 (Improve missing `@` in slice binding pattern diagnostics)
 - #72547 (Added a codegen test for a recent optimization for overflow-checks=on)
 - #72711 (remove redundant `mk_const`)
 - #72713 (Whitelist #[allow_internal_unstable])
 - #72720 (Clarify the documentation of `take`)

Failed merges:

r? @ghost

1 files changed, 26 insertions, 0 deletions

diff --git a/src/test/codegen/integer-overflow.rs b/src/test/codegen/integer-overflow.rs
new file mode 100644
index 00000000000..183de56db96
--- /dev/null
+++ b/src/test/codegen/integer-overflow.rs
@@ -0,0 +1,26 @@
+// no-system-llvm
+// compile-flags: -O -C overflow-checks=on
+
+#![crate_type = "lib"]
+
+
+pub struct S1<'a> {
+    data: &'a [u8],
+    position: usize,
+}
+
+// CHECK-LABEL: @slice_no_index_order
+#[no_mangle]
+pub fn slice_no_index_order<'a>(s: &'a mut S1, n: usize) -> &'a [u8] {
+    // CHECK-NOT: slice_index_order_fail
+    let d = &s.data[s.position..s.position+n];
+    s.position += n;
+    return d;
+}
+
+// CHECK-LABEL: @test_check
+#[no_mangle]
+pub fn test_check<'a>(s: &'a mut S1, x: usize, y: usize) -> &'a [u8] {
+    // CHECK: slice_index_order_fail
+    &s.data[x..y]
+}