1 error: expected one of `,` or `>`, found keyword `as`
2 --> $DIR/issue-84831.rs:5:13
5 | ^^ expected one of `,` or `>`
7 help: expressions must be enclosed in braces to be used as const generic arguments
9 LL | std::<{ _ as _ }>;
12 error[E0423]: expected value, found crate `std`
13 --> $DIR/issue-84831.rs:2:5
16 | ^^^^^^^^ not a value
18 error[E0423]: expected value, found crate `std`
19 --> $DIR/issue-84831.rs:5:5
22 | ^^^^^^^^^^^^^ not a value
24 error: aborting due to 3 previous errors
26 For more information about this error, try `rustc --explain E0423`.