1 files changed, 0 insertions, 44 deletions
diff --git a/src/test/ui/consts/invalid-union.rs b/src/test/ui/consts/invalid-union.rs
deleted file mode 100644
index 28706b4a923..00000000000
--- a/src/test/ui/consts/invalid-union.rs
+++ /dev/null
@@ -1,44 +0,0 @@
-// Check that constants with interior mutability inside unions are rejected
-// during validation.
-//
-// Note that this test case relies on undefined behaviour to construct a
-// constant with interior mutability that is "invisible" to the static checks.
-// If for some reason this approach no longer works, it is should be fine to
-// remove the test case.
-//
-// build-fail
-// stderr-per-bitwidth
-#![feature(const_mut_refs)]
-
-use std::cell::Cell;
-use std::mem::ManuallyDrop;
-
-#[repr(C)]
-struct S {
-    x: u32,
-    y: E,
-}
-
-#[repr(u32)]
-enum E {
-    A,
-    B(U)
-}
-
-union U {
-    cell: ManuallyDrop<Cell<u32>>,
-}
-
-const C: S = {
-    let s = S { x: 0, y: E::A };
-    // Go through an &u32 reference which is definitely not allowed to mutate anything.
-    let p = &s.x as *const u32 as *mut u32;
-    // Change enum tag to E::B.
-    unsafe { *p.add(1) = 1 };
-    s
-};
-
-fn main() { //~ ERROR it is undefined behavior to use this value
-    // FIXME the span here is wrong, sould be pointing at the line below, not above.
-    let _: &'static _ = &C;
-}