Rollup of 4 pull requests #129242
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Rollup of 4 pull requests #129242
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For following:
```rust
struct A;
impl A {
fn test4(&self) {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a method
}
```
Suggest:
```rust
impl A {
fn test4(&self) -> Result<(), Box<dyn std::error::Error>> {
let mut _file = File::create("foo.txt")?;
//~^ ERROR the `?` operator can only be used in a method
Ok(())
}
}
```
For rust-lang#125997
Fixes rust-lang#126831. Without this patch, type normalization is not always idempotent, which leads to all sorts of bugs in places that assume that normalizing a normalized type does nothing.
... by using `std::fs::remove_dir_all`, which handles a bunch of edge cases including read-only files and symlinks which are extremely tricky on Windows.
Suggest adding Result return type for associated method in E0277. Recommit rust-lang#126515 because I messed up during rebase, Suggest adding Result return type for associated method in E0277. For following: ```rust struct A; impl A { fn test4(&self) { let mut _file = File::create("foo.txt")?; //~^ ERROR the `?` operator can only be used in a method } ``` Suggest: ```rust impl A { fn test4(&self) -> Result<(), Box<dyn std::error::Error>> { let mut _file = File::create("foo.txt")?; //~^ ERROR the `?` operator can only be used in a method Ok(()) } } ``` For rust-lang#125997 r? ``@cjgillot``
…links, r=Kobzol bootstrap: fix clean's remove_dir_all implementation It turns out bootstrap's `clean.rs`'s hand-rolled `rm_rf` (which probably comes before `std::fs::remove_dir_all` was stable) is very broken on native Windows around both read-only files/directories and especially symbolic links. So instead of rolling our own, just use `std::fs::remove_dir_all`. This is a blocker for compiletest's own `rm_rf` implementation rust-lang#129155 which happens to be also buggy, which in turn is a blocker for the rmake.rs test port rust-lang#128562 that heavily exercises symlinks (I was reviewing rust-lang#128562 and testing it on native Windows which is how I found out). I also left a FIXME for `detect_src_and_out` due to a failing assertion on native Windows (opened rust-lang#129188): ``` ---- core::config::tests::detect_src_and_out stdout ---- thread 'core::config::tests::detect_src_and_out' panicked at src\core\config\tests.rs:72:13: assertion `left == right` failed left: "E:\\tmp" right: "C:\\tmp" ``` Fixes rust-lang#112544 (because now we handle Windows symlinks properly). try-job: x86_64-msvc try-job: i686-mingw try-job: test-various try-job: armhf-gnu try-job: aarch64-apple try-job: aarch64-gnu
Fix order of normalization and recursion in const folding. Fixes rust-lang#126831. Without this patch, type normalization is not always idempotent, which leads to all sorts of bugs in places that assume that normalizing a normalized type does nothing. Tracking issue: rust-lang#95174 r? BoxyUwU
crashes: more tests r? `@jieyouxu`
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Rollup of 4 pull requests Successful merges: - rust-lang#128084 (Suggest adding Result return type for associated method in E0277.) - rust-lang#129187 (bootstrap: fix clean's remove_dir_all implementation) - rust-lang#129208 (Fix order of normalization and recursion in const folding.) - rust-lang#129228 (crashes: more tests) r? `@ghost` `@rustbot` modify labels: rollup
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