rust/tests/ui/lang-items/start_lang_item_args.missing_ret.stderr
Eduardo Sánchez Muñoz c599761140 rustc_hir_analysis: add a helper to check function the signature mismatches
This function is now used to check `#[panic_handler]`, `start` lang item, `main`, `#[start]` and intrinsic functions.

The diagnosis produced are now closer to the ones produced by trait/impl method signature mismatch.
2023-09-19 18:15:23 +02:00

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error[E0308]: lang item `start` function has wrong type
--> $DIR/start_lang_item_args.rs:29:84
|
LL | fn start<T>(_main: fn() -> T, _argc: isize, _argv: *const *const u8, _sigpipe: u8) {}
| ^ expected `isize`, found `()`
|
= note: expected signature `fn(fn() -> _, _, _, _) -> isize`
found signature `fn(fn() -> _, _, _, _)`
error: aborting due to previous error
For more information about this error, try `rustc --explain E0308`.