1 files changed, 11 insertions, 4 deletions
diff --git a/src/test/ui/consts/const-eval/ub-ref-ptr.rs b/src/test/ui/consts/const-eval/ub-ref-ptr.rs
index 1887cb24bf4..17b0d29c514 100644
--- a/src/test/ui/consts/const-eval/ub-ref-ptr.rs
+++ b/src/test/ui/consts/const-eval/ub-ref-ptr.rs
@@ -1,6 +1,6 @@
 // ignore-tidy-linelength
 // stderr-per-bitwidth
-#![allow(const_err, invalid_value)] // make sure we cannot allow away the errors tested here
+#![allow(invalid_value)]
 
 use std::mem;
 
@@ -29,13 +29,20 @@ const NULL_BOX: Box<u16> = unsafe { mem::transmute(0usize) };
 // but that would fail to compile; so we ended up breaking user code that would
 // have worked fine had we not promoted.
 const REF_AS_USIZE: usize = unsafe { mem::transmute(&0) };
-//~^ ERROR it is undefined behavior to use this value
+//~^ ERROR any use of this value will cause an error
+//~| WARN this was previously accepted by the compiler but is being phased out
 
 const REF_AS_USIZE_SLICE: &[usize] = &[unsafe { mem::transmute(&0) }];
-//~^ ERROR it is undefined behavior to use this value
+//~^ ERROR any use of this value will cause an error
+//~| WARN this was previously accepted by the compiler but is being phased out
+//~| ERROR any use of this value will cause an error
+//~| WARN this was previously accepted by the compiler but is being phased out
 
 const REF_AS_USIZE_BOX_SLICE: Box<[usize]> = unsafe { mem::transmute::<&[usize], _>(&[mem::transmute(&0)]) };
-//~^ ERROR it is undefined behavior to use this value
+//~^ ERROR any use of this value will cause an error
+//~| WARN this was previously accepted by the compiler but is being phased out
+//~| ERROR any use of this value will cause an error
+//~| WARN this was previously accepted by the compiler but is being phased out
 
 const USIZE_AS_REF: &'static u8 = unsafe { mem::transmute(1337usize) };
 //~^ ERROR it is undefined behavior to use this value