| //@ revisions: e2024 none | |
| //@[e2024] edition: 2024 | |
| gen fn foo() {} | |
| //[none]~^ ERROR: expected one of `#`, `async`, `const`, `default`, `extern`, `fn`, `pub`, `safe`, `unsafe`, or `use`, found `gen` | |
| //[e2024]~^^ ERROR: gen blocks are experimental | |
| fn main() {} |