Another macro ICE

[olegnn]

This code

fn calc(width: usize) -> Vec<usize> {
    (0..width)
        .map(
            #[target_feature(enable = "avx2")]
            |y| y,
        )
        .collect()
}

fn main() {
    println!("ICE {:?}", calc(8));
}

(Playground)

Produces ICE on any channel

   Compiling playground v0.0.1 (/playground)
error: internal compiler error: src/librustc_typeck/collect.rs:1898: to get the signature of a closure, use `closure_sig()` not `fn_sig()`

thread 'rustc' panicked at 'Box<Any>', src/librustc_errors/lib.rs:931:9
note: run with `RUST_BACKTRACE=1` environment variable to display a backtrace.

note: the compiler unexpectedly panicked. this is a bug.

note: we would appreciate a bug report: https://github.com/rust-lang/rust/blob/master/CONTRIBUTING.md#bug-reports

note: rustc 1.40.0 (73528e339 2019-12-16) running on x86_64-unknown-linux-gnu

note: compiler flags: -C codegen-units=1 -C debuginfo=2 --crate-type bin

note: some of the compiler flags provided by cargo are hidden

error: aborting due to previous error

error: could not compile `playground`.

[petrochenkov]

This is the same issue as #68058, attributes on expressions are not converted into HIR properly.

[olegnn]

@petrochenkov I checked on latest nightly - #68058 isn't produced anymore while this one still throws ICE.

[olegnn]

@jonas-schievink could you reopen this issue?

[pnkfelix]

triage: P-high. Removing nomination.

[Centril]

Reduced somewhat:

fn main() {
    (0..)
        .map(
            #[target_feature(enable = "")]
            |_| (),
        )
        .next();
}