error[E0428]: the name `foo` is defined multiple times
  --> $DIR/issue-28472.rs:16:3
   |
LL |     fn foo();
   |     --------- previous definition of the value `foo` here
LL | 
LL | /   pub //~ ERROR the name `foo` is defined multiple times
LL | |   fn foo();
   | |___________^ `foo` redefined here
   |
   = note: `foo` must be defined only once in the value namespace of this module

error[E0428]: the name `foo` is defined multiple times
  --> $DIR/issue-28472.rs:19:3
   |
LL |     fn foo();
   |     --------- previous definition of the value `foo` here
...
LL | /   pub //~ ERROR the name `foo` is defined multiple times
LL | |   static mut foo: u32;
   | |______________________^ `foo` redefined here
   |
   = note: `foo` must be defined only once in the value namespace of this module

error: aborting due to 2 previous errors

For more information about this error, try `rustc --explain E0428`.