Rollup of 7 pull requests

compiler/rustc_codegen_cranelift/Readme.md

@@ -70,7 +70,7 @@ For more docs on how to build and test see [build_system/usage.txt](build_system
 |FreeBSD|✅[^no-rustup]|❓|❓|❓|
 |AIX|❌[^xcoff]|N/A|N/A|❌[^xcoff]|
 |Other unixes|❓|❓|❓|❓|
-|macOS|✅|✅[^no-rustup]|N/A|N/A|
+|macOS|✅|✅|N/A|N/A|
 |Windows|✅[^no-rustup]|❌|N/A|N/A|
 
 ✅: Fully supported and tested

library/std/src/sys/pal/unix/net.rs

@@ -4,7 +4,6 @@ use crate::io::{self, BorrowedBuf, BorrowedCursor, IoSlice, IoSliceMut};
 use crate::mem;
 use crate::net::{Shutdown, SocketAddr};
 use crate::os::unix::io::{AsFd, AsRawFd, BorrowedFd, FromRawFd, IntoRawFd, RawFd};
-use crate::str;
 use crate::sys::fd::FileDesc;
 use crate::sys::pal::unix::IsMinusOne;
 use crate::sys_common::net::{getsockopt, setsockopt, sockaddr_to_addr};
@@ -47,7 +46,9 @@ pub fn cvt_gai(err: c_int) -> io::Result<()> {
 
     #[cfg(not(target_os = "espidf"))]
     let detail = unsafe {
-        str::from_utf8(CStr::from_ptr(libc::gai_strerror(err)).to_bytes()).unwrap().to_owned()
+        // We can't always expect a UTF-8 environment. When we don't get that luxury,
+        // it's better to give a low-quality error message than none at all.
+        CStr::from_ptr(libc::gai_strerror(err)).to_string_lossy()
     };
 
     #[cfg(target_os = "espidf")]

src/bootstrap/src/utils/helpers.rs

@@ -203,7 +203,9 @@ pub fn target_supports_cranelift_backend(target: TargetSelection) -> bool {
             || target.contains("aarch64")
             || target.contains("s390x")
             || target.contains("riscv64gc")
-    } else if target.contains("darwin") || target.is_windows() {
+    } else if target.contains("darwin") {
+        target.contains("x86_64") || target.contains("aarch64")
+    } else if target.is_windows() {
         target.contains("x86_64")
     } else {
         false

src/ci/docker/host-x86_64/dist-various-2/Dockerfile

@@ -85,9 +85,9 @@ RUN /tmp/build-solaris-toolchain.sh sparcv9 sparcv9 solaris-sparc sun
 COPY host-x86_64/dist-various-2/build-x86_64-fortanix-unknown-sgx-toolchain.sh /tmp/
 RUN /tmp/build-x86_64-fortanix-unknown-sgx-toolchain.sh
 
-RUN curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-22/wasi-sdk-22.0-linux.tar.gz | \
+RUN curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-23/wasi-sdk-23.0-x86_64-linux.tar.gz | \
   tar -xz
-ENV WASI_SDK_PATH=/tmp/wasi-sdk-22.0
+ENV WASI_SDK_PATH=/tmp/wasi-sdk-23.0-x86_64-linux
 
 COPY scripts/freebsd-toolchain.sh /tmp/
 RUN /tmp/freebsd-toolchain.sh i686

src/ci/docker/host-x86_64/test-various/Dockerfile

@@ -40,9 +40,9 @@ WORKDIR /
 COPY scripts/sccache.sh /scripts/
 RUN sh /scripts/sccache.sh
 
-RUN curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-22/wasi-sdk-22.0-linux.tar.gz | \
+RUN curl -L https://github.com/WebAssembly/wasi-sdk/releases/download/wasi-sdk-23/wasi-sdk-23.0-x86_64-linux.tar.gz | \
   tar -xz
-ENV WASI_SDK_PATH=/wasi-sdk-22.0
+ENV WASI_SDK_PATH=/wasi-sdk-23.0-x86_64-linux
 
 ENV RUST_CONFIGURE_ARGS \
   --musl-root-x86_64=/usr/local/x86_64-linux-musl \

src/ci/github-actions/jobs.yml

@@ -285,7 +285,7 @@ auto:
 
   - image: dist-apple-various
     env:
-      SCRIPT: ./x.py dist bootstrap --include-default-paths --host='' --target=aarch64-apple-ios,x86_64-apple-ios,aarch64-apple-ios-sim
+      SCRIPT: ./x.py dist bootstrap --include-default-paths --host='' --target=aarch64-apple-ios,x86_64-apple-ios,aarch64-apple-ios-sim,aarch64-apple-ios-macabi,x86_64-apple-ios-macabi
       RUST_CONFIGURE_ARGS: --enable-sanitizers --enable-profiler --set rust.jemalloc
       RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
       MACOSX_DEPLOYMENT_TARGET: 10.12
@@ -326,6 +326,7 @@ auto:
       NO_DEBUG_ASSERTIONS: 1
       NO_OVERFLOW_CHECKS: 1
       DIST_REQUIRE_ALL_TOOLS: 1
+      CODEGEN_BACKENDS: llvm,cranelift
     <<: *job-macos-m1
 
   # This target only needs to support 11.0 and up as nothing else supports the hardware

src/doc/rustc/src/platform-support.md

@@ -135,6 +135,7 @@ so Rustup may install the documentation for a similar tier 1 target instead.
 target | std | notes
 -------|:---:|-------
 [`aarch64-apple-ios`](platform-support/apple-ios.md) | ✓ | ARM64 iOS
+[`aarch64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ | Mac Catalyst on ARM64
 [`aarch64-apple-ios-sim`](platform-support/apple-ios.md) | ✓ | Apple iOS Simulator on ARM64
 `aarch64-fuchsia` | ✓ | Alias for `aarch64-unknown-fuchsia`
 [`aarch64-unknown-fuchsia`](platform-support/fuchsia.md) | ✓ | ARM64 Fuchsia
@@ -195,6 +196,7 @@ target | std | notes
 [`wasm32-wasip1`](platform-support/wasm32-wasip1.md) | ✓ | WebAssembly with WASI
 [`wasm32-wasip1-threads`](platform-support/wasm32-wasip1-threads.md) | ✓ | WebAssembly with WASI Preview 1 and threads
 [`x86_64-apple-ios`](platform-support/apple-ios.md) | ✓ | 64-bit x86 iOS
+[`x86_64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ | Mac Catalyst on x86_64
 [`x86_64-fortanix-unknown-sgx`](platform-support/x86_64-fortanix-unknown-sgx.md) | ✓ | [Fortanix ABI] for 64-bit Intel SGX
 `x86_64-fuchsia` | ✓ | Alias for `x86_64-unknown-fuchsia`
 [`x86_64-unknown-fuchsia`](platform-support/fuchsia.md) | ✓ | 64-bit x86 Fuchsia
@@ -244,7 +246,6 @@ target | std | host | notes
 -------|:---:|:----:|-------
 [`arm64e-apple-ios`](platform-support/arm64e-apple-ios.md) | ✓ | | ARM64e Apple iOS
 [`arm64e-apple-darwin`](platform-support/arm64e-apple-darwin.md)  | ✓ | ✓ | ARM64e Apple Darwin
-[`aarch64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ |  | Apple Catalyst on ARM64
 [`aarch64-apple-tvos`](platform-support/apple-tvos.md) | ✓ |  | ARM64 tvOS
 [`aarch64-apple-tvos-sim`](platform-support/apple-tvos.md) | ✓ |  | ARM64 tvOS Simulator
 [`aarch64-apple-watchos`](platform-support/apple-watchos.md) | ✓ |  | ARM64 Apple WatchOS
@@ -370,7 +371,6 @@ target | std | host | notes
 `thumbv7neon-unknown-linux-musleabihf` | ? |  | Thumb2-mode Armv7-A Linux with NEON, musl 1.2.3
 [`wasm32-wasip2`](platform-support/wasm32-wasip2.md) | ✓ |  | WebAssembly
 [`wasm64-unknown-unknown`](platform-support/wasm64-unknown-unknown.md) | ? |  | WebAssembly
-[`x86_64-apple-ios-macabi`](platform-support/apple-ios-macabi.md) | ✓ |  | Apple Catalyst on x86_64
 [`x86_64-apple-tvos`](platform-support/apple-tvos.md) | ✓ |  | x86 64-bit tvOS
 [`x86_64-apple-watchos-sim`](platform-support/apple-watchos.md) | ✓ |  | x86 64-bit Apple WatchOS simulator
 [`x86_64-pc-nto-qnx710`](platform-support/nto-qnx.md) | ✓ |  | x86 64-bit QNX Neutrino 7.1 RTOS |

src/doc/rustc/src/platform-support/apple-ios-macabi.md

@@ -2,7 +2,7 @@
 
 Apple Mac Catalyst targets.
 
-**Tier: 3**
+**Tier: 2 (without Host Tools)**
 
 - `aarch64-apple-ios-macabi`: Mac Catalyst on ARM64.
 - `x86_64-apple-ios-macabi`: Mac Catalyst on 64-bit x86.

src/librustdoc/html/static/css/rustdoc.css

@@ -831,6 +831,10 @@ pre, .rustdoc.src .example-wrap {
 	background: var(--table-alt-row-background-color);
 }
 
+.docblock .stab, .docblock-short .stab {
+	display: inline-block;
+}
+
 /* "where ..." clauses with block display are also smaller */
 div.where {
 	white-space: pre-wrap;
@@ -953,6 +957,7 @@ table,
 	display: table;
 	padding: 0;
 	margin: 0;
+	width: 100%;
 }
 .item-table > li {
 	display: table-row;

src/tools/build-manifest/src/main.rs

@@ -54,6 +54,7 @@ static TARGETS: &[&str] = &[
     "arm64e-apple-darwin",
     "aarch64-apple-ios",
     "arm64e-apple-ios",
+    "aarch64-apple-ios-macabi",
     "aarch64-apple-ios-sim",
     "aarch64-unknown-fuchsia",
     "aarch64-linux-android",
@@ -160,6 +161,7 @@ static TARGETS: &[&str] = &[
     "wasm32-wasip2",
     "x86_64-apple-darwin",
     "x86_64-apple-ios",
+    "x86_64-apple-ios-macabi",
     "x86_64-fortanix-unknown-sgx",
     "x86_64-unknown-fuchsia",
     "x86_64-linux-android",

src/tools/tidy/src/allowed_run_make_makefiles.txt

@@ -2,10 +2,8 @@ run-make/branch-protection-check-IBT/Makefile
 run-make/c-dynamic-dylib/Makefile
 run-make/c-dynamic-rlib/Makefile
 run-make/c-unwind-abi-catch-lib-panic/Makefile
-run-make/c-unwind-abi-catch-panic/Makefile
 run-make/cat-and-grep-sanity-check/Makefile
 run-make/cdylib-dylib-linkage/Makefile
-run-make/compiler-lookup-paths-2/Makefile
 run-make/compiler-rt-works-on-mingw/Makefile
 run-make/cross-lang-lto-clang/Makefile
 run-make/cross-lang-lto-pgo-smoketest/Makefile
@@ -90,7 +88,6 @@ run-make/staticlib-dylib-linkage/Makefile
 run-make/symbol-mangling-hashed/Makefile
 run-make/symbol-visibility/Makefile
 run-make/sysroot-crates-are-unstable/Makefile
-run-make/test-benches/Makefile
 run-make/thumb-none-cortex-m/Makefile
 run-make/thumb-none-qemu/Makefile
 run-make/translation/Makefile

tests/run-make/c-unwind-abi-catch-panic/rmake.rs

@@ -0,0 +1,18 @@
+// A test for calling `C-unwind` functions across foreign function boundaries (FFI).
+// This test triggers a panic when calling a foreign function that calls *back* into Rust.
+// This catches a panic across an FFI boundary and downcasts it into an integer.
+// The Rust code that panics is in the same directory, unlike `c-unwind-abi-catch-lib-panic`.
+// See https://github.com/rust-lang/rust/pull/76570
+
+//@ ignore-cross-compile
+// Reason: the compiled binary is executed
+//@ needs-unwind
+// Reason: this test exercises panic unwinding
+
+use run_make_support::{build_native_static_lib, run, rustc};
+
+fn main() {
+    build_native_static_lib("add");
+    rustc().input("main.rs").run();
+    run("main");
+}

tests/run-make/compiler-lookup-paths-2/rmake.rs

@@ -0,0 +1,20 @@
+// This test checks that extern crate declarations in Cargo without a corresponding declaration
+// in the manifest of a dependency are NOT allowed. The last rustc call does it anyways, which
+// should result in a compilation failure.
+// See https://github.com/rust-lang/rust/pull/21113
+
+use run_make_support::{path, rfs, rust_lib_name, rustc};
+
+fn main() {
+    rfs::create_dir("a");
+    rfs::create_dir("b");
+    rustc().input("a.rs").run();
+    rfs::rename(rust_lib_name("a"), path("a").join(rust_lib_name("a")));
+    rustc().input("b.rs").library_search_path("a").run();
+    rfs::rename(rust_lib_name("b"), path("b").join(rust_lib_name("b")));
+    rustc()
+        .input("c.rs")
+        .library_search_path("crate=b")
+        .library_search_path("dependency=a")
+        .run_fail();
+}

tests/run-make/test-benches/rmake.rs

@@ -0,0 +1,22 @@
+// #[bench] is a Rust feature to run benchmarks on performance-critical
+// code, which previously experienced a runtime panic bug in #103794.
+// In order to ensure future breakages of this feature are detected, this
+// smoke test was created, using the benchmarking feature with various
+// runtime flags.
+// See https://github.com/rust-lang/rust/issues/103794
+
+//@ ignore-cross-compile
+// Reason: the compiled binary is executed
+//@ needs-unwind
+// Reason: #[bench] and -Zpanic-abort-tests can't be combined
+
+use run_make_support::{run, run_with_args, rustc};
+
+fn main() {
+    // Smoke-test that #[bench] isn't entirely broken.
+    rustc().arg("--test").input("smokebench.rs").opt().run();
+    run_with_args("smokebench", &["--bench"]);
+    run_with_args("smokebench", &["--bench", "noiter"]);
+    run_with_args("smokebench", &["--bench", "yesiter"]);
+    run("smokebench");
+}

tests/run-make/wasm-panic-small/rmake.rs

@@ -13,7 +13,14 @@ fn main() {
 fn test(cfg: &str) {
     eprintln!("running cfg {cfg:?}");
 
-    rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().cfg(cfg).run();
+    rustc()
+        .input("foo.rs")
+        .target("wasm32-wasip1")
+        .arg("-Clto")
+        .arg("-Cstrip=debuginfo")
+        .opt()
+        .cfg(cfg)
+        .run();
 
     let bytes = rfs::read("foo.wasm");
     println!("{}", bytes.len());

tests/run-make/wasm-stringify-ints-small/rmake.rs

@@ -4,7 +4,13 @@
 use run_make_support::{rfs, rustc};
 
 fn main() {
-    rustc().input("foo.rs").target("wasm32-wasip1").arg("-Clto").opt().run();
+    rustc()
+        .input("foo.rs")
+        .target("wasm32-wasip1")
+        .arg("-Clto")
+        .arg("-Cstrip=debuginfo")
+        .opt()
+        .run();
 
     let bytes = rfs::read("foo.wasm");
     println!("{}", bytes.len());

tests/rustdoc-gui/source-code-page-code-scroll.goml

@@ -2,7 +2,7 @@
 go-to: "file://" + |DOC_PATH| + "/src/test_docs/lib.rs.html"
 set-window-size: (800, 1000)
 // "scrollWidth" should be superior than "clientWidth".
-assert-property: ("body", {"scrollWidth": 1047, "clientWidth": 800})
+assert-property: ("body", {"scrollWidth": 1114, "clientWidth": 800})
 
 // Both properties should be equal (ie, no scroll on the code block).
-assert-property: (".example-wrap .rust", {"scrollWidth": 933, "clientWidth": 933})
+assert-property: (".example-wrap .rust", {"scrollWidth": 1000, "clientWidth": 1000})

tests/rustdoc-gui/src/test_docs/lib.rs

@@ -20,10 +20,10 @@ Also, stop using `bar` as it's <span class="stab deprecated" title="">deprecated
 Also, stop using `bar` as it's <span class="stab deprecated" title="">deprecated</span>.
 Also, stop using `bar` as it's <span class="stab deprecated" title="">deprecated</span>.
 
-Finally, you can use `quz` only on <span class="stab portability"><code>Unix or x86-64</code>
-</span>.
-Finally, you can use `quz` only on <span class="stab portability"><code>Unix or x86-64</code>
-</span>.
+Finally, you can use `quz` only on <span class="stab portability" data-span="1"><code>Unix or x86-64
+</code></span>.
+Finally, you can use `quz` only on <span class="stab portability" data-span="2"><code>Unix or x86-64
+</code></span>.
 */
 
 use std::convert::AsRef;

tests/rustdoc-gui/stab-in-doc.goml

@@ -0,0 +1,9 @@
+// This test ensure that `stab` elements if used in doc blocks are not breaking the text layout.
+go-to: "file://" + |DOC_PATH| + "/test_docs/index.html"
+// We make the window wide enough for the two stabs who are looking into to be on the same line.
+set-window-size: (1100, 600)
+compare-elements-position: (
+    ".top-doc .docblock span[data-span='1']",
+    ".top-doc .docblock span[data-span='2']",
+    ["y"],
+)