error[E0423]: expected function, found enum `Option`
  --> $DIR/issue-43871-enum-instead-of-variant.rs:19:13
   |
LL |     let x = Option(1);
   |             ^^^^^^
help: try using one of the enum's variants
   |
LL |     let x = std::prelude::v1::Option::None(1);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL |     let x = std::prelude::v1::Option::Some(1);
   |             ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0532]: expected tuple struct/variant, found enum `Option`
  --> $DIR/issue-43871-enum-instead-of-variant.rs:21:12
   |
LL |     if let Option(_) = x {
   |            ^^^^^^
help: try using one of the enum's variants
   |
LL |     if let std::prelude::v1::Option::None(_) = x {
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^
LL |     if let std::prelude::v1::Option::Some(_) = x {
   |            ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

error[E0532]: expected tuple struct/variant, found enum `Example`
  --> $DIR/issue-43871-enum-instead-of-variant.rs:27:12
   |
LL |     if let Example(_) = y {
   |            ^^^^^^^
help: try using one of the enum's variants
   |
LL |     if let Example::Ex(_) = y {
   |            ^^^^^^^^^^^
LL |     if let Example::NotEx(_) = y {
   |            ^^^^^^^^^^^^^^

error[E0423]: expected function, found enum `Void`
  --> $DIR/issue-43871-enum-instead-of-variant.rs:31:13
   |
LL |     let y = Void();
   |             ^^^^

error[E0423]: expected function, found enum `ManyVariants`
  --> $DIR/issue-43871-enum-instead-of-variant.rs:33:13
   |
LL |     let z = ManyVariants();
   |             ^^^^^^^^^^^^
help: try using one of the enum's variants
   |
LL |     let z = ManyVariants::Eight();
   |             ^^^^^^^^^^^^^^^^^^^
LL |     let z = ManyVariants::Five();
   |             ^^^^^^^^^^^^^^^^^^
LL |     let z = ManyVariants::Four();
   |             ^^^^^^^^^^^^^^^^^^
LL |     let z = ManyVariants::Nine();
   |             ^^^^^^^^^^^^^^^^^^
and 6 other candidates

error: aborting due to 5 previous errors

Some errors have detailed explanations: E0423, E0532.
For more information about an error, try `rustc --explain E0423`.