1 error[E0017]: references in constants may only refer to immutable values
2 --> $DIR/issue-17718-const-bad-values.rs:11:34
4 LL | const C1: &'static mut [usize] = &mut [];
5 | ^^^^^^^ constants require immutable values
7 error[E0013]: constants cannot refer to statics, use a constant instead
8 --> $DIR/issue-17718-const-bad-values.rs:15:41
10 LL | const C2: &'static mut usize = unsafe { &mut S };
13 error[E0017]: references in constants may only refer to immutable values
14 --> $DIR/issue-17718-const-bad-values.rs:15:41
16 LL | const C2: &'static mut usize = unsafe { &mut S };
17 | ^^^^^^ constants require immutable values
19 error: aborting due to 3 previous errors
21 Some errors occurred: E0013, E0017.
22 For more information about an error, try `rustc --explain E0013`.