3 files changed, 32 insertions, 2 deletions
diff --git a/src/test/run-pass/issues/issue-39367.rs b/src/test/run-pass/issues/issue-39367.rs
index 484cd782a09..2e2b480e066 100644
--- a/src/test/run-pass/issues/issue-39367.rs
+++ b/src/test/run-pass/issues/issue-39367.rs
@@ -11,13 +11,13 @@ fn arena() -> &'static ArenaSet<Vec<u8>> {
         ArenaSet(vec![], &Z)
     }
     unsafe {
-        use std::sync::{Once, ONCE_INIT};
+        use std::sync::Once;
         fn require_sync<T: Sync>(_: &T) { }
         unsafe fn __stability() -> &'static ArenaSet<Vec<u8>> {
             use std::mem::transmute;
             static mut DATA: *const ArenaSet<Vec<u8>> = 0 as *const ArenaSet<Vec<u8>>;
 
-            static mut ONCE: Once = ONCE_INIT;
+            static mut ONCE: Once = Once::new();
             ONCE.call_once(|| {
                 DATA = transmute
                     ::<Box<ArenaSet<Vec<u8>>>, *const ArenaSet<Vec<u8>>>
diff --git a/src/test/ui/consts/array-literal-index-oob.rs b/src/test/ui/consts/array-literal-index-oob.rs
new file mode 100644
index 00000000000..76013c77de0
--- /dev/null
+++ b/src/test/ui/consts/array-literal-index-oob.rs
@@ -0,0 +1,6 @@
+fn main() {
+    &{[1, 2, 3][4]};
+    //~^ ERROR index out of bounds
+    //~| ERROR reaching this expression at runtime will panic or abort
+    //~| ERROR this expression will panic at runtime
+}
diff --git a/src/test/ui/consts/array-literal-index-oob.stderr b/src/test/ui/consts/array-literal-index-oob.stderr
new file mode 100644
index 00000000000..727ce9e57a4
--- /dev/null
+++ b/src/test/ui/consts/array-literal-index-oob.stderr
@@ -0,0 +1,24 @@
+error: index out of bounds: the len is 3 but the index is 4
+  --> $DIR/array-literal-index-oob.rs:2:7
+   |
+LL |     &{[1, 2, 3][4]};
+   |       ^^^^^^^^^^^^
+   |
+   = note: #[deny(const_err)] on by default
+
+error: this expression will panic at runtime
+  --> $DIR/array-literal-index-oob.rs:2:5
+   |
+LL |     &{[1, 2, 3][4]};
+   |     ^^^^^^^^^^^^^^^ index out of bounds: the len is 3 but the index is 4
+
+error: reaching this expression at runtime will panic or abort
+  --> $DIR/array-literal-index-oob.rs:2:7
+   |
+LL |     &{[1, 2, 3][4]};
+   |     --^^^^^^^^^^^^-
+   |       |
+   |       index out of bounds: the len is 3 but the index is 4
+
+error: aborting due to 3 previous errors
+