Auto merge of #126185 - matthiaskrgr:rollup-72dn1s2, r=matthiaskrgr

Rollup of 5 pull requests

Successful merges:

 - #126137 (tests: Add ui/higher-ranked/trait-bounds/normalize-generic-arg.rs)
 - #126146 (std::unix::process adding few specific freebsd signals to be able to id.)
 - #126155 (Remove empty test suite `tests/run-make-fulldeps`)
 - #126168 (std::unix::os current_exe implementation simplification for haiku.)
 - #126175 (Use --quiet flag when installing pip dependencies)

r? `@ghost`
`@rustbot` modify labels: rollup

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

@@ -462,21 +462,21 @@ pub fn current_exe() -> io::Result<PathBuf> {
 
 #[cfg(target_os = "haiku")]
 pub fn current_exe() -> io::Result<PathBuf> {
+    let mut name = vec![0; libc::PATH_MAX as usize];
     unsafe {
-        let mut info: mem::MaybeUninit<libc::image_info> = mem::MaybeUninit::uninit();
-        let mut cookie: i32 = 0;
-        // the executable can be found at team id 0
-        let result = libc::_get_next_image_info(
-            0,
-            &mut cookie,
-            info.as_mut_ptr(),
-            mem::size_of::<libc::image_info>(),
+        let result = libc::find_path(
+            std::ptr::null_mut(),
+            libc::path_base_directory::B_FIND_PATH_IMAGE_PATH,
+            std::ptr::null_mut(),
+            name.as_mut_ptr(),
+            name.len(),
         );
-        if result != 0 {
+        if result != libc::B_OK {
             use crate::io::ErrorKind;
             Err(io::const_io_error!(ErrorKind::Uncategorized, "Error getting executable path"))
         } else {
-            let name = CStr::from_ptr((*info.as_ptr()).name.as_ptr()).to_bytes();
+            // find_path adds the null terminator.
+            let name = CStr::from_ptr(name.as_ptr()).to_bytes();
             Ok(PathBuf::from(OsStr::from_bytes(name)))
         }
     }

library/std/src/sys/pal/unix/process/process_unix.rs

@@ -1053,6 +1053,10 @@ fn signal_string(signal: i32) -> &'static str {
         libc::SIGINFO => " (SIGINFO)",
         #[cfg(target_os = "hurd")]
         libc::SIGLOST => " (SIGLOST)",
+        #[cfg(target_os = "freebsd")]
+        libc::SIGTHR => " (SIGTHR)",
+        #[cfg(target_os = "freebsd")]
+        libc::SIGLIBRT => " (SIGLIBRT)",
         _ => "",
     }
 }

src/bootstrap/src/core/build_steps/test.rs

@@ -1487,12 +1487,6 @@ fn run(self, builder: &Builder<'_>) {
     }
 }
 
-host_test!(RunMakeFullDeps {
-    path: "tests/run-make-fulldeps",
-    mode: "run-make",
-    suite: "run-make-fulldeps"
-});
-
 default_test!(Assembly { path: "tests/assembly", mode: "assembly", suite: "assembly" });
 
 /// Coverage tests are a bit more complicated than other test suites, because
@@ -1973,9 +1967,7 @@ fn run(self, builder: &Builder<'_>) {
                 add_link_lib_path(vec![llvm_libdir.trim().into()], &mut cmd);
             }
 
-            if !builder.config.dry_run()
-                && (matches!(suite, "run-make" | "run-make-fulldeps") || mode == "coverage-run")
-            {
+            if !builder.config.dry_run() && matches!(mode, "run-make" | "coverage-run") {
                 // The llvm/bin directory contains many useful cross-platform
                 // tools. Pass the path to run-make tests so they can use them.
                 // (The coverage-run tests also need these tools to process
@@ -1987,7 +1979,7 @@ fn run(self, builder: &Builder<'_>) {
                 cmd.arg("--llvm-bin-dir").arg(llvm_bin_path);
             }
 
-            if !builder.config.dry_run() && matches!(suite, "run-make" | "run-make-fulldeps") {
+            if !builder.config.dry_run() && mode == "run-make" {
                 // If LLD is available, add it to the PATH
                 if builder.config.lld_enabled {
                     let lld_install_root =
@@ -2007,7 +1999,7 @@ fn run(self, builder: &Builder<'_>) {
 
         // Only pass correct values for these flags for the `run-make` suite as it
         // requires that a C++ compiler was configured which isn't always the case.
-        if !builder.config.dry_run() && matches!(suite, "run-make" | "run-make-fulldeps") {
+        if !builder.config.dry_run() && mode == "run-make" {
             cmd.arg("--cc")
                 .arg(builder.cc(target))
                 .arg("--cxx")

src/bootstrap/src/core/builder.rs

@@ -332,7 +332,6 @@ pub fn assert_single_path(&self) -> &TaskPath {
             "tests/mir-opt",
             "tests/pretty",
             "tests/run-make",
-            "tests/run-make-fulldeps",
             "tests/run-pass-valgrind",
             "tests/rustdoc",
             "tests/rustdoc-gui",
@@ -828,7 +827,6 @@ macro_rules! describe {
                 test::RustAnalyzer,
                 test::ErrorIndex,
                 test::Distcheck,
-                test::RunMakeFullDeps,
                 test::Nomicon,
                 test::Reference,
                 test::RustdocBook,

src/ci/docker/host-x86_64/x86_64-gnu-debug/Dockerfile

@@ -44,6 +44,14 @@ ENV RUST_CONFIGURE_ARGS \
       --set target.x86_64-unknown-linux-gnu.cc=clang \
       --set target.x86_64-unknown-linux-gnu.cxx=clang++
 
+# This job appears to be checking two separate things:
+# - That we can build the compiler with `--enable-debug`
+#   (without necessarily testing the result).
+# - That the tests with `//@ needs-matching-clang` pass, since they
+#   don't run by default unless RUSTBUILD_FORCE_CLANG_BASED_TESTS is set.
+#   - FIXME(https://github.com/rust-lang/rust/pull/126155#issuecomment-2156314273):
+#     Currently we only run the subset of tests with "clang" in their name.
+
 ENV SCRIPT \
   python3 ../x.py --stage 2 build && \
-  python3 ../x.py --stage 2 test tests/run-make-fulldeps --test-args clang
+  python3 ../x.py --stage 2 test tests/run-make --test-args clang

src/ci/github-actions/jobs.yml

@@ -37,7 +37,7 @@ runners:
 
 envs:
   env-x86_64-apple-tests: &env-x86_64-apple-tests
-    SCRIPT: ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc --skip tests/run-make-fulldeps
+    SCRIPT: ./x.py --stage 2 test --skip tests/ui --skip tests/rustdoc
     RUST_CONFIGURE_ARGS: --build=x86_64-apple-darwin --enable-sanitizers --enable-profiler --set rust.jemalloc
     RUSTC_RETRY_LINKER_ON_SEGFAULT: 1
     MACOSX_DEPLOYMENT_TARGET: 10.12
@@ -294,7 +294,7 @@ auto:
 
   - image: x86_64-apple-2
     env:
-      SCRIPT: ./x.py --stage 2 test tests/ui tests/rustdoc tests/run-make-fulldeps
+      SCRIPT: ./x.py --stage 2 test tests/ui tests/rustdoc
       <<: *env-x86_64-apple-tests
     <<: *job-macos-xl
 

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

@@ -160,8 +160,7 @@ export exclude_tests='
     --exclude src/tools/linkchecker
     --exclude tests/ui-fulldeps
     --exclude rustc
-    --exclude rustdoc
-    --exclude tests/run-make-fulldeps'
+    --exclude rustdoc'
 
 env $build_env \
     ./x.py test \

src/tools/tidy/src/ext_tool_checks.rs

@@ -320,7 +320,7 @@ fn install_requirements(
     }
 
     let stat = Command::new(py_path)
-        .args(["-m", "pip", "install", "--require-hashes", "-r"])
+        .args(["-m", "pip", "install", "--quiet", "--require-hashes", "-r"])
         .arg(src_reqs_path)
         .status()?;
     if !stat.success() {

tests/run-make-fulldeps/README.md

@@ -1,4 +0,0 @@
-If this directory is empty, Git won't create it, and compiletest will complain
-that it can't find a nonexistent test suite directory.
-
-FIXME(#126111): Remove `run-make-fulldeps` from bootstrap.

tests/ui/feature-gates/feature-gate-extern_prelude.rs

@@ -1 +0,0 @@
-can-only-test-this-in-run-make-fulldeps //~ ERROR expected one of `!` or `::`, found `-`

tests/ui/feature-gates/feature-gate-extern_prelude.stderr

@@ -1,8 +0,0 @@
-error: expected one of `!` or `::`, found `-`
-  --> $DIR/feature-gate-extern_prelude.rs:1:4
-   |
-LL | can-only-test-this-in-run-make-fulldeps
-   |    ^ expected one of `!` or `::`
-
-error: aborting due to 1 previous error
-

tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.next.stderr

@@ -0,0 +1,9 @@
+error[E0284]: type annotations needed: cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc <: <T as Trait<'_>>::Assoc`
+  --> $DIR/rigid-equate-projections-in-higher-ranked-fn-signature.rs:27:50
+   |
+LL |     let _: for<'a> fn(<_ as Trait<'a>>::Assoc) = foo::<T>();
+   |                                                  ^^^^^^^^^^ cannot satisfy `for<'a> <_ as Trait<'a>>::Assoc <: <T as Trait<'_>>::Assoc`
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0284`.

tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.rs

@@ -0,0 +1,30 @@
+//@ revisions: current next
+//@[current] check-pass
+//@[next] compile-flags: -Znext-solver
+//@[next] check-fail
+//@ ignore-compare-mode-next-solver (explicit revisions)
+
+/// This triggers an ICE with (and without) `--emit metadata` using the old
+/// trait solver:
+/// ```
+/// rustc +nightly-2023-01-09 \
+///   tests/ui/higher-ranked/trait-bounds/rigid-equate-projections-in-higher-ranked-fn-signature.rs
+/// ```
+/// The ICE was unknowingly fixed by
+/// <https://github.com/rust-lang/rust/pull/101947> in `nightly-2023-01-10`.
+/// This is a regression test for that fixed ICE. For the next solver we simply
+/// make sure there is a compiler error.
+
+trait Trait<'a> {
+    type Assoc;
+}
+
+fn foo<T: for<'a> Trait<'a>>() -> for<'a> fn(<T as Trait<'a>>::Assoc) {
+    todo!()
+}
+
+fn bar<T: for<'a> Trait<'a>>() {
+    let _: for<'a> fn(<_ as Trait<'a>>::Assoc) = foo::<T>(); //[next]~ ERROR type annotations needed
+}
+
+fn main() {}