1 files changed, 18 insertions, 16 deletions
diff --git a/src/test/ui/consts/miri_unleashed/const_refers_to_static.rs b/src/test/ui/consts/miri_unleashed/const_refers_to_static.rs
index c9dc1de51..7ed5a48d9 100644
--- a/src/test/ui/consts/miri_unleashed/const_refers_to_static.rs
+++ b/src/test/ui/consts/miri_unleashed/const_refers_to_static.rs
@@ -1,31 +1,33 @@
-// build-fail
 // compile-flags: -Zunleash-the-miri-inside-of-you
-#![allow(const_err)]
+// stderr-per-bitwidth
 
 use std::sync::atomic::AtomicUsize;
 use std::sync::atomic::Ordering;
 
-// These fail during CTFE (as they read a static), so they only cause an error
-// when *using* the const.
-
 const MUTATE_INTERIOR_MUT: usize = {
     static FOO: AtomicUsize = AtomicUsize::new(0);
-    FOO.fetch_add(1, Ordering::Relaxed)
+    FOO.fetch_add(1, Ordering::Relaxed) //~ERROR evaluation of constant value failed
 };
 
 const READ_INTERIOR_MUT: usize = {
     static FOO: AtomicUsize = AtomicUsize::new(0);
-    unsafe { *(&FOO as *const _ as *const usize) }
+    unsafe { *(&FOO as *const _ as *const usize) } //~ERROR evaluation of constant value failed
 };
 
 static mut MUTABLE: u32 = 0;
-const READ_MUT: u32 = unsafe { MUTABLE };
+const READ_MUT: u32 = unsafe { MUTABLE }; //~ERROR evaluation of constant value failed
+
+const REF_INTERIOR_MUT: &usize = { //~ ERROR undefined behavior to use this value
+//~| encountered a reference pointing to a static variable
+    static FOO: AtomicUsize = AtomicUsize::new(0);
+    unsafe { &*(&FOO as *const _ as *const usize) }
+};
+
+// ok some day perhaps
+const READ_IMMUT: &usize = { //~ ERROR it is undefined behavior to use this value
+//~| encountered a reference pointing to a static variable
+    static FOO: usize = 0;
+    &FOO
+};
 
-fn main() {
-    MUTATE_INTERIOR_MUT;
-    //~^ ERROR: erroneous constant used
-    READ_INTERIOR_MUT;
-    //~^ ERROR: erroneous constant used
-    READ_MUT;
-    //~^ ERROR: erroneous constant used
-}
+fn main() {}