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+error[E0764]: mutable references are not allowed in the final value of constants
+ --> $DIR/issue-17718-const-bad-values.rs:1:34
+ |
+LL | const C1: &'static mut [usize] = &mut [];
+ | ^^^^^^^
+
+error[E0013]: constants cannot refer to statics
+ --> $DIR/issue-17718-const-bad-values.rs:5:46
+ |
+LL | const C2: &'static mut usize = unsafe { &mut S };
+ | ^
+ |
+ = help: consider extracting the value of the `static` to a `const`, and referring to that
+
+error[E0013]: constants cannot refer to statics
+ --> $DIR/issue-17718-const-bad-values.rs:5:46
+ |
+LL | const C2: &'static mut usize = unsafe { &mut S };
+ | ^
+ |
+ = help: consider extracting the value of the `static` to a `const`, and referring to that
+
+error: aborting due to 3 previous errors
+
+Some errors have detailed explanations: E0013, E0764.
+For more information about an error, try `rustc --explain E0013`.