Ignore generated fresh lifetimes in elision check
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fixes#3988
changelog: Ignore generated fresh lifetimes in elision check.
**HELP**: It seems `tests/ui` are compiled under edition 2015, and I don't know how to add tests for this properly.
Here is the test input it had already passed:
```rust
#![feature(async_await)]
#![allow(dead_code)]
async fn sink1<'a>(_: &'a str) {} // lint
async fn sink1_elided(_: &str) {} // ok
async fn one_to_one<'a>(s: &'a str) -> &'a str { s } // lint
async fn one_to_one_elided(s: &str) -> &str { s } // ok
async fn all_to_one<'a>(a: &'a str, _b: &'a str) -> &'a str { a } // ok
// async fn unrelated(_: &str, _: &str) {} // Not allowed in async fn
// #3988
struct Foo;
impl Foo {
pub async fn foo(&mut self) {} // ok
}
// rust-lang/rust#61115
async fn print(s: &str) { // ok
println!("{}", s);
}
fn main() {}
```
Update pulldown-cmark to 0.5.3
Fixes a couple of crashes of which I added one example to our tests.
changelog: Update `pulldown-cmark` to 0.5.3 to fix potential crashes in `doc_markdown` lint
false positives fixes of `implicit_return`
- Handle returning macro statements properly (remove "this error originates in a macro outside of the current crate")
- Handle functions that return never type
- Handle functions that panic but do not return never type
changelog: Fix false positives in `implicit_return` lint pertaining to macros and panics
Implement lint for inherent to_string() method.
Fixes#4247
changelog: Implement two new lints: `inherent_to_string` and `inherent_to_string_shadow_display`
1) Emits a warning if a type implements an inherent method `to_string(&self) -> String`
2) Emits an error if a type implements an inherent method `to_string(&self) -> String` and also implements the `Display` trait
UI Test Cleanup: Split up checked_unwrap tests
Let's slowly bring that ticket closer to the finish line 🐌🏁
This splits up `tests/ui/checked_unwrap.rs` into:
* `tests/ui/checked_unwrap/complex.rs`
* `tests/ui/checked_unwrap/simple.rs`
Based on the naming of the methods in the tests.
changelog: none
cc #2038
This splits up `tests/ui/checked_unwrap.rs` into:
* `tests/ui/checked_unwrap/complex.rs`
* `tests/ui/checked_unwrap/simple.rs`
Based on the naming of the methods in the tests.
cc #2038
