Auto merge of #146765 - Zalathar:rollup-ewh4s9o, r=Zalathar

Rollup of 10 pull requests

Successful merges:

 - #146229 (Automatically switch to lto-fat when flag RUSTFLAGS="- Zautodiff=Enable" is set)
 - #146484 (rustdoc-search: JavaScript optimization based on Firefox Profiler output)
 - #146541 (std: simplify host lookup)
 - #146615 (rustc_codegen_llvm: Feature Conversion Tidying)
 - #146638 (`rustc_next_trait_solver`: canonical out of `EvalCtxt`)
 - #146663 (Allow windows resource compiler to be overridden)
 - #146691 (std: Fix WASI implementation of `remove_dir_all`)
 - #146709 (stdarch subtree update)
 - #146738 (Fix tidy spellchecking on Windows)
 - #146740 (miri subtree update)

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

Author: bors

Cargo.lock

@@ -674,7 +674,7 @@ checksum = "fe6d2e5af09e8c8ad56c969f2157a3d4238cebc7c55f0a517728c38f7b200f81"
 dependencies = [
  "serde",
  "termcolor",
- "unicode-width 0.1.14",
+ "unicode-width 0.2.1",
 ]
 
 [[package]]
@@ -937,23 +937,24 @@ dependencies = [
 
 [[package]]
 name = "cxx"
-version = "1.0.168"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "7aa144b12f11741f0dab5b4182896afad46faa0598b6a061f7b9d17a21837ba7"
+checksum = "2f81de88da10862f22b5b3a60f18f6f42bbe7cb8faa24845dd7b1e4e22190e77"
 dependencies = [
  "cc",
+ "cxx-build",
  "cxxbridge-cmd",
  "cxxbridge-flags",
  "cxxbridge-macro",
- "foldhash",
+ "foldhash 0.2.0",
  "link-cplusplus",
 ]
 
 [[package]]
 name = "cxx-build"
-version = "1.0.168"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "12d3cbb84fb003242941c231b45ca9417e786e66e94baa39584bd99df3a270b6"
+checksum = "5edd58bf75c3fdfc80d79806403af626570662f7b6cc782a7fabe156166bd6d6"
 dependencies = [
  "cc",
  "codespan-reporting",
@@ -966,9 +967,9 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-cmd"
-version = "1.0.168"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "3fa36b7b249d43f67a3f54bd65788e35e7afe64bbc671396387a48b3e8aaea94"
+checksum = "fd46bf2b541a4e0c2d5abba76607379ee05d68e714868e3cb406dc8d591ce2d2"
 dependencies = [
  "clap",
  "codespan-reporting",
@@ -980,15 +981,15 @@ dependencies = [
 
 [[package]]
 name = "cxxbridge-flags"
-version = "1.0.168"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "77707c70f6563edc5429618ca34a07241b75ebab35bd01d46697c75d58f8ddfe"
+checksum = "2c79b68f6a3a8f809d39b38ae8af61305a6113819b19b262643b9c21353b92d9"
 
 [[package]]
 name = "cxxbridge-macro"
-version = "1.0.168"
+version = "1.0.185"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "ede6c0fb7e318f0a11799b86ee29dcf17b9be2960bd379a6c38e1a96a6010fff"
+checksum = "862b7fdb048ff9ef0779a0d0a03affd09746c4c875543746b640756be9cff2af"
 dependencies = [
  "indexmap",
  "proc-macro2",
@@ -1388,6 +1389,12 @@ version = "0.1.5"
 source = "registry+https://github.com/rust-lang/crates.io-index"
 checksum = "d9c4f5dac5e15c24eb999c26181a6ca40b39fe946cbe4c263c7209467bc83af2"
 
+[[package]]
+name = "foldhash"
+version = "0.2.0"
+source = "registry+https://github.com/rust-lang/crates.io-index"
+checksum = "77ce24cb58228fbb8aa041425bb1050850ac19177686ea6e0f41a70416f56fdb"
+
 [[package]]
 name = "form_urlencoded"
 version = "1.2.1"
@@ -1567,7 +1574,7 @@ checksum = "9229cfe53dfd69f0609a49f65461bd93001ea1ef889cd5529dd176593f5338a1"
 dependencies = [
  "allocator-api2",
  "equivalent",
- "foldhash",
+ "foldhash 0.1.5",
  "serde",
 ]
 
@@ -2160,9 +2167,9 @@ dependencies = [
 
 [[package]]
 name = "link-cplusplus"
-version = "1.0.10"
+version = "1.0.12"
 source = "registry+https://github.com/rust-lang/crates.io-index"
-checksum = "4a6f6da007f968f9def0d65a05b187e2960183de70c160204ecfccf0ee330212"
+checksum = "7f78c730aaa7d0b9336a299029ea49f9ee53b0ed06e9202e8cb7db9bae7b8c82"
 dependencies = [
  "cc",
 ]

bootstrap.example.toml

@@ -325,6 +325,9 @@
 # Defaults to the Python interpreter used to execute x.py.
 #build.python = "python"
 
+# The path to (or name of) the resource compiler executable to use on Windows.
+#build.windows-rc = "rc.exe"
+
 # The path to the REUSE executable to use. Note that REUSE is not required in
 # most cases, as our tooling relies on a cached (and shrunk) copy of the
 # REUSE output present in the git repository and in our source tarballs.

compiler/rustc_codegen_llvm/src/llvm_util.rs

@@ -217,27 +217,16 @@ impl<'a> IntoIterator for LLVMFeature<'a> {
 /// Rust can also be build with an external precompiled version of LLVM which might lead to failures
 /// if the oldest tested / supported LLVM version doesn't yet support the relevant intrinsics.
 pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFeature<'a>> {
-    let arch = if sess.target.arch == "x86_64" {
-        "x86"
-    } else if sess.target.arch == "arm64ec" {
-        "aarch64"
-    } else if sess.target.arch == "sparc64" {
-        "sparc"
-    } else if sess.target.arch == "powerpc64" {
-        "powerpc"
-    } else {
-        &*sess.target.arch
+    let raw_arch = &*sess.target.arch;
+    let arch = match raw_arch {
+        "x86_64" => "x86",
+        "arm64ec" => "aarch64",
+        "sparc64" => "sparc",
+        "powerpc64" => "powerpc",
+        _ => raw_arch,
     };
+    let (major, _, _) = get_version();
     match (arch, s) {
-        ("x86", "sse4.2") => Some(LLVMFeature::with_dependencies(
-            "sse4.2",
-            smallvec![TargetFeatureFoldStrength::EnableOnly("crc32")],
-        )),
-        ("x86", "pclmulqdq") => Some(LLVMFeature::new("pclmul")),
-        ("x86", "rdrand") => Some(LLVMFeature::new("rdrnd")),
-        ("x86", "bmi1") => Some(LLVMFeature::new("bmi")),
-        ("x86", "cmpxchg16b") => Some(LLVMFeature::new("cx16")),
-        ("x86", "lahfsahf") => Some(LLVMFeature::new("sahf")),
         ("aarch64", "rcpc2") => Some(LLVMFeature::new("rcpc-immo")),
         ("aarch64", "dpb") => Some(LLVMFeature::new("ccpp")),
         ("aarch64", "dpb2") => Some(LLVMFeature::new("ccdp")),
@@ -260,14 +249,23 @@ pub(crate) fn to_llvm_features<'a>(sess: &Session, s: &'a str) -> Option<LLVMFea
         ("aarch64", "fpmr") => None, // only existed in 18
         ("arm", "fp16") => Some(LLVMFeature::new("fullfp16")),
         // Filter out features that are not supported by the current LLVM version
-        ("loongarch32" | "loongarch64", "32s") if get_version().0 < 21 => None,
+        ("loongarch32" | "loongarch64", "32s") if major < 21 => None,
+        ("powerpc", "power8-crypto") => Some(LLVMFeature::new("crypto")),
+        ("sparc", "leoncasa") => Some(LLVMFeature::new("hasleoncasa")),
+        ("x86", "sse4.2") => Some(LLVMFeature::with_dependencies(
+            "sse4.2",
+            smallvec![TargetFeatureFoldStrength::EnableOnly("crc32")],
+        )),
+        ("x86", "pclmulqdq") => Some(LLVMFeature::new("pclmul")),
+        ("x86", "rdrand") => Some(LLVMFeature::new("rdrnd")),
+        ("x86", "bmi1") => Some(LLVMFeature::new("bmi")),
+        ("x86", "cmpxchg16b") => Some(LLVMFeature::new("cx16")),
+        ("x86", "lahfsahf") => Some(LLVMFeature::new("sahf")),
         // Enable the evex512 target feature if an avx512 target feature is enabled.
         ("x86", s) if s.starts_with("avx512") => Some(LLVMFeature::with_dependencies(
             s,
             smallvec![TargetFeatureFoldStrength::EnableOnly("evex512")],
         )),
-        ("sparc", "leoncasa") => Some(LLVMFeature::new("hasleoncasa")),
-        ("powerpc", "power8-crypto") => Some(LLVMFeature::new("crypto")),
         ("x86", "avx10.1") => Some(LLVMFeature::new("avx10.1-512")),
         ("x86", "avx10.2") => Some(LLVMFeature::new("avx10.2-512")),
         ("x86", "apxf") => Some(LLVMFeature::with_dependencies(

compiler/rustc_codegen_ssa/messages.ftl

@@ -8,8 +8,6 @@ codegen_ssa_aix_strip_not_used = using host's `strip` binary to cross-compile to
 
 codegen_ssa_archive_build_failure = failed to build archive at `{$path}`: {$error}
 
-codegen_ssa_autodiff_without_lto = using the autodiff feature requires using fat-lto
-
 codegen_ssa_bare_instruction_set = `#[instruction_set]` requires an argument
 
 codegen_ssa_binary_output_to_tty = option `-o` or `--emit` is used to write binary output type `{$shorthand}` to stdout, but stdout is a tty

compiler/rustc_codegen_ssa/src/errors.rs

@@ -37,10 +37,6 @@ pub(crate) struct CguNotRecorded<'a> {
     pub cgu_name: &'a str,
 }
 
-#[derive(Diagnostic)]
-#[diag(codegen_ssa_autodiff_without_lto)]
-pub struct AutodiffWithoutLto;
-
 #[derive(Diagnostic)]
 #[diag(codegen_ssa_unknown_reuse_kind)]
 pub(crate) struct UnknownReuseKind {

compiler/rustc_next_trait_solver/src/canonicalizer.rs renamed to compiler/rustc_next_trait_solver/src/canonical/canonicalizer.rs

@@ -57,7 +57,7 @@ enum CanonicalizeMode {
     },
 }
 
-pub struct Canonicalizer<'a, D: SolverDelegate<Interner = I>, I: Interner> {
+pub(super) struct Canonicalizer<'a, D: SolverDelegate<Interner = I>, I: Interner> {
     delegate: &'a D,
 
     // Immutable field.
@@ -83,7 +83,7 @@ pub struct Canonicalizer<'a, D: SolverDelegate<Interner = I>, I: Interner> {
 }
 
 impl<'a, D: SolverDelegate<Interner = I>, I: Interner> Canonicalizer<'a, D, I> {
-    pub fn canonicalize_response<T: TypeFoldable<I>>(
+    pub(super) fn canonicalize_response<T: TypeFoldable<I>>(
         delegate: &'a D,
         max_input_universe: ty::UniverseIndex,
         variables: &'a mut Vec<I::GenericArg>,
@@ -112,7 +112,6 @@ impl<'a, D: SolverDelegate<Interner = I>, I: Interner> Canonicalizer<'a, D, I> {
         let (max_universe, variables) = canonicalizer.finalize();
         Canonical { max_universe, variables, value }
     }
-
     fn canonicalize_param_env(
         delegate: &'a D,
         variables: &'a mut Vec<I::GenericArg>,
@@ -195,7 +194,7 @@ impl<'a, D: SolverDelegate<Interner = I>, I: Interner> Canonicalizer<'a, D, I> {
     ///
     /// We want to keep the option of canonicalizing `'static` to an existential
     /// variable in the future by changing the way we detect global where-bounds.
-    pub fn canonicalize_input<P: TypeFoldable<I>>(
+    pub(super) fn canonicalize_input<P: TypeFoldable<I>>(
         delegate: &'a D,
         variables: &'a mut Vec<I::GenericArg>,
         input: QueryInput<I, P>,