error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:6:11
   |
LL |     const _: () = ();
   |           ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:9:11
   |
LL |     const _: () = ();
   |           ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:12:11
   |
LL |     const _: () = ();
   |           ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:17:8
   |
LL | static _: () = ();
   |        ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:18:8
   |
LL | struct _();
   |        ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:19:6
   |
LL | enum _ {}
   |      ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:20:4
   |
LL | fn _() {}
   |    ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:21:5
   |
LL | mod _ {}
   |     ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:22:6
   |
LL | type _ = ();
   |      ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:23:5
   |
LL | use _;
   |     ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:24:5
   |
LL | use _ as g;
   |     ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:25:7
   |
LL | trait _ {}
   |       ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:26:7
   |
LL | trait _ = Copy;
   |       ^ expected identifier, found reserved identifier

error: expected identifier, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:27:14
   |
LL | macro_rules! _ { () => {} }
   |              ^ expected identifier, found reserved identifier

error: expected one of `!` or `::`, found reserved identifier `_`
  --> $DIR/underscore_item_not_const.rs:28:7
   |
LL | union _ { f: u8 }
   |       ^ expected one of `!` or `::`

error: aborting due to 15 previous errors