error[E0529]: expected an array or slice, found `Vec<Struct>`
  --> $DIR/suppress-consider-slicing-issue-120605.rs:7:16
   |
LL |         if let [Struct { a: [] }] = &self.a {
   |                ^^^^^^^^^^^^^^^^^^ pattern cannot match with input type `Vec<Struct>`
   |
help: consider slicing here
   |
LL |         if let [Struct { a: [] }] = &self.a[..] {
   |                                            ++++

error[E0529]: expected an array or slice, found `Vec<Struct>`
  --> $DIR/suppress-consider-slicing-issue-120605.rs:7:29
   |
LL |         if let [Struct { a: [] }] = &self.a {
   |                             ^^ pattern cannot match with input type `Vec<Struct>`

error[E0529]: expected an array or slice, found `Vec<Struct>`
  --> $DIR/suppress-consider-slicing-issue-120605.rs:13:29
   |
LL |         if let [Struct { a: [] }] = &self.a[..] {
   |                             ^^ pattern cannot match with input type `Vec<Struct>`

error: aborting due to 3 previous errors

For more information about this error, try `rustc --explain E0529`.