Adjust an expr span to account for macros

[compiler-errors]

Fix this erroneous suggestion:

error[E0529]: expected an array or slice, found `Vec<{integer}>`
 --> /home/gh-compiler-errors/test.rs:2:9
  |
2 |     let [..] = vec![1, 2, 3];
  |         ^^^^ pattern cannot match with input type `Vec<{integer}>`
  |
help: consider slicing here
 --> /home/gh-compiler-errors/rust2/library/alloc/src/macros.rs:50:36
  |
50~         $crate::__rust_force_expr!(<[_]>::into_vec(
51+             #[rustc_box]
52+             $crate::boxed::Box::new([$($x),+])
53~         )[..])

[rust-highfive]

r? @oli-obk

(rust-highfive has picked a reviewer for you, use r? to override)

[rust-log-analyzer]

A job failed! Check out the build log: (web) (plain)

Click to see the possible cause of the failure (guessed by this bot)

[compiler-errors]

CI failed:

curl: (35) OpenSSL SSL_connect: Connection reset by peer in connection to ci-mirrors.rust-lang.org:443

[oli-obk]

@bors r+ rollup

[bors]

📌 Commit dec29b1 has been approved by oli-obk

It is now in the queue for this repository.