regression: ICE failed to get output type of async function

[Mark-Simulacrum]

[INFO] [stdout] error: internal compiler error: compiler/rustc_hir_typeck/src/fn_ctxt/suggestions.rs:1081:25: failed to get output type of async function
[INFO] [stdout]   --> src/components/rss_list.rs:84:40
[INFO] [stdout]    |
[INFO] [stdout] 84 |             .filter(move |&channel| -> Option<Channel> {
[INFO] [stdout]    |                                        ^^^^^^^^^^^^^^^
[INFO] [stdout] 
[INFO] [stdout] 

• https://crater-reports.s3.amazonaws.com/beta-1.78-3/beta-2024-03-30/gh/HiggRn.podcrab/log.txt

[matthiaskrgr]

could be related to #105304 but may also be a red herring 🐟 🤔

[compiler-errors]

Regression in rust-lang-ci@cb682d3
The PR introducing the regression in this rollup is #120696: Properly handle async block and async fn in if exprs …

searched nightlies: from nightly-2024-01-01 to nightly-2024-03-18
regressed nightly: nightly-2024-02-14
searched commit range: b381d3a...a84bb95
regressed commit: fd9bb7f

bisected with cargo-bisect-rustc v0.6.8

Host triple: x86_64-unknown-linux-gnu
Reproduce with:

cargo bisect-rustc --start=2024-01-01 --end=2024-03-18 --regress=ice 

[compiler-errors]

Seems like a quick diagnostics fix-forward. I'll put up a PR in a few hours when I'm done bisecting more PRs.

@rustbot claim

[apiraino]

WG-prioritization assigning priority (Zulip discussion).

@rustbot label -I-prioritize +P-high