Rollup of 6 pull requests #128117

…o we should write "::core"

At some point it seems `SystemTime::new` changed from returning `SystemTime` to `io::Result<SystemTime>`. This seems to have been addressed on other platforms, but was never changed for AIX. This was caught by running ``` python3 x.py build --host x86_64-unknown-linux-gnu --target powerpc64-ibm-aix ```

When using download-rustc, any stage other than 0 or 1 (e.g., cargo +stage2 build/doc) will fail to find std while compiling on simple rust sources. Ensuring the rustc step fixes this issue. Signed-off-by: onur-ozkan <work@onurozkan.dev>

Co-authored-by: Jubilee <46493976+workingjubilee@users.noreply.github.com>

…haelwoerister Disallow hidden references to mutable static Closes rust-lang#123060 Tracking: - rust-lang#123758

…ilee Docs for core::primitive: mention that "core" can be shadowed, too, so we should write "::core" `@rustbot` label +A-docs

…ilee Remove wrapper functions from c.rs I'd like for the windows `c.rs` just to contain the basic platform definitions and not anything higher level unless absolutely necessary. So this removes some wrapper functions that weren't really necessary in any case. The functions are only used in a few places which themselves are relatively thin wrappers. The "interesting" bit is that we had an `AlertableIoFn` that abstracted over `ReadFileEx` and `WriteFileEx`. I've replaced this with a closure. Also I removed an `#[allow(unsafe_op_in_unsafe_fn)]` while I was moving things around.

…bzol,jieyouxu Allow to pass a full path for `run-make` tests It's common (at least for me) to pass a full path to a `run-make` test (including the `rmake.rs` file) and to see that it isn't found, which is a bit frustrating. With these changes, we can now optionally pass the `rmake.rs` (or even `Makefile`) at the end of the path. cc ``@jieyouxu`` r? ``@Kobzol``

Fix return type of FileAttr methods on AIX target At some point it seems `SystemTime::new` changed from returning `SystemTime` to `io::Result<SystemTime>`. This seems to have been addressed on other platforms, but was never changed for AIX. This was caught by running ``` python3 x.py build --host x86_64-unknown-linux-gnu --target powerpc64-ibm-aix ```

…led-rustc, r=Kobzol ensure std step before preparing sysroot When using download-rustc, any stage other than 0 or 1 (e.g., cargo +stage2 build/doc) will fail to find std while compiling on simple rust sources. Ensuring the std step fixes this issue. r? Kobzol

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Rollup of 6 pull requests #128117

Rollup of 6 pull requests #128117

Commits on Jul 23, 2024