Auto merge of #130332 - Zalathar:rollup-eq0qvvy, r=Zalathar

Rollup of 5 pull requests

Successful merges:

 - #130138 (bootstrap: Print more debug info when `find_initial_libdir` fails)
 - #130199 (Don't call closure_by_move_body_def_id on FnOnce async closures in MIR validation)
 - #130302 (add llvm-bitcode-linker and llvm-tools bins to ci-rustc's sysroot)
 - #130306 (avoid updating LLVM submodule during bootstrap unit tests)
 - #130317 (`ProjectionElem` and `UnOp`/`BinOp` dont need to be `PartialOrd`/`Ord`)

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

compiler/rustc_interface/src/passes.rs

@@ -788,7 +788,7 @@ fn run_required_analyses(tcx: TyCtxt<'_>) {
     rustc_hir_analysis::check_crate(tcx);
     sess.time("MIR_coroutine_by_move_body", || {
         tcx.hir().par_body_owners(|def_id| {
-            if tcx.needs_coroutine_by_move_body_def_id(def_id) {
+            if tcx.needs_coroutine_by_move_body_def_id(def_id.to_def_id()) {
                 tcx.ensure_with_value().coroutine_by_move_body_def_id(def_id);
             }
         });

compiler/rustc_middle/src/mir/syntax.rs

@@ -1094,7 +1094,7 @@ pub struct Place<'tcx> {
     pub projection: &'tcx List<PlaceElem<'tcx>>,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
 #[derive(TyEncodable, TyDecodable, HashStable, TypeFoldable, TypeVisitable)]
 pub enum ProjectionElem<V, T> {
     Deref,
@@ -1468,7 +1468,7 @@ pub enum NullOp<'tcx> {
     UbChecks,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, Eq, PartialOrd, Ord, Hash)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
 #[derive(HashStable, TyEncodable, TyDecodable, TypeFoldable, TypeVisitable)]
 pub enum UnOp {
     /// The `!` operator for logical inversion
@@ -1486,7 +1486,7 @@ pub enum UnOp {
     PtrMetadata,
 }
 
-#[derive(Copy, Clone, Debug, PartialEq, PartialOrd, Ord, Eq, Hash)]
+#[derive(Copy, Clone, Debug, PartialEq, Eq, Hash)]
 #[derive(TyEncodable, TyDecodable, HashStable, TypeFoldable, TypeVisitable)]
 pub enum BinOp {
     /// The `+` operator (addition)

compiler/rustc_middle/src/ty/context.rs

@@ -3171,7 +3171,7 @@ pub fn impl_polarity(self, def_id: impl IntoQueryParam<DefId>) -> ty::ImplPolari
         self.impl_trait_header(def_id).map_or(ty::ImplPolarity::Positive, |h| h.polarity)
     }
 
-    pub fn needs_coroutine_by_move_body_def_id(self, def_id: LocalDefId) -> bool {
+    pub fn needs_coroutine_by_move_body_def_id(self, def_id: DefId) -> bool {
         if let Some(hir::CoroutineKind::Desugared(_, hir::CoroutineSource::Closure)) =
             self.coroutine_kind(def_id)
             && let ty::Coroutine(_, args) = self.type_of(def_id).instantiate_identity().kind()

compiler/rustc_mir_transform/src/lib.rs

@@ -330,7 +330,7 @@ fn mir_promoted(
     tcx.ensure_with_value().has_ffi_unwind_calls(def);
 
     // the `by_move_body` query uses the raw mir, so make sure it is run.
-    if tcx.needs_coroutine_by_move_body_def_id(def) {
+    if tcx.needs_coroutine_by_move_body_def_id(def.to_def_id()) {
         tcx.ensure_with_value().coroutine_by_move_body_def_id(def);
     }
 

compiler/rustc_mir_transform/src/validate.rs

@@ -1,7 +1,6 @@
 //! Validates the MIR to ensure that invariants are upheld.
 
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
-use rustc_hir as hir;
 use rustc_hir::LangItem;
 use rustc_index::bit_set::BitSet;
 use rustc_index::IndexVec;
@@ -717,10 +716,7 @@ fn visit_projection_elem(
                             // first place.
                             let layout = if def_id == self.caller_body.source.def_id() {
                                 self.caller_body.coroutine_layout_raw()
-                            } else if let Some(hir::CoroutineKind::Desugared(
+                            } else if self.tcx.needs_coroutine_by_move_body_def_id(def_id)
-                                _,
-                                hir::CoroutineSource::Closure,
-                            )) = self.tcx.coroutine_kind(def_id)
                                 && let ty::ClosureKind::FnOnce =
                                     args.as_coroutine().kind_ty().to_opt_closure_kind().unwrap()
                                 && self.caller_body.source.def_id()

src/bootstrap/src/core/build_steps/compile.rs

@@ -1760,6 +1760,49 @@ fn run(self, builder: &Builder<'_>) -> Compiler {
             return target_compiler;
         }
 
+        // We prepend this bin directory to the user PATH when linking Rust binaries. To
+        // avoid shadowing the system LLD we rename the LLD we provide to `rust-lld`.
+        let libdir = builder.sysroot_libdir(target_compiler, target_compiler.host);
+        let libdir_bin = libdir.parent().unwrap().join("bin");
+        t!(fs::create_dir_all(&libdir_bin));
+
+        if builder.config.llvm_enabled(target_compiler.host) {
+            let llvm::LlvmResult { llvm_config, .. } =
+                builder.ensure(llvm::Llvm { target: target_compiler.host });
+            if !builder.config.dry_run() && builder.config.llvm_tools_enabled {
+                let llvm_bin_dir =
+                    command(llvm_config).arg("--bindir").run_capture_stdout(builder).stdout();
+                let llvm_bin_dir = Path::new(llvm_bin_dir.trim());
+
+                // Since we've already built the LLVM tools, install them to the sysroot.
+                // This is the equivalent of installing the `llvm-tools-preview` component via
+                // rustup, and lets developers use a locally built toolchain to
+                // build projects that expect llvm tools to be present in the sysroot
+                // (e.g. the `bootimage` crate).
+                for tool in LLVM_TOOLS {
+                    let tool_exe = exe(tool, target_compiler.host);
+                    let src_path = llvm_bin_dir.join(&tool_exe);
+                    // When using `download-ci-llvm`, some of the tools
+                    // may not exist, so skip trying to copy them.
+                    if src_path.exists() {
+                        builder.copy_link(&src_path, &libdir_bin.join(&tool_exe));
+                    }
+                }
+            }
+        }
+
+        let maybe_install_llvm_bitcode_linker = |compiler| {
+            if builder.config.llvm_bitcode_linker_enabled {
+                let src_path = builder.ensure(crate::core::build_steps::tool::LlvmBitcodeLinker {
+                    compiler,
+                    target: target_compiler.host,
+                    extra_features: vec![],
+                });
+                let tool_exe = exe("llvm-bitcode-linker", target_compiler.host);
+                builder.copy_link(&src_path, &libdir_bin.join(tool_exe));
+            }
+        };
+
         // If we're downloading a compiler from CI, we can use the same compiler for all stages other than 0.
         if builder.download_rustc() {
             builder.ensure(Std::new(target_compiler, target_compiler.host));
@@ -1772,6 +1815,9 @@ fn run(self, builder: &Builder<'_>) -> Compiler {
             if target_compiler.stage == builder.top_stage {
                 builder.info(&format!("Creating a sysroot for stage{stage} compiler (use `rustup toolchain link 'name' build/host/stage{stage}`)", stage=target_compiler.stage));
             }
+
+            maybe_install_llvm_bitcode_linker(target_compiler);
+
             return target_compiler;
         }
 
@@ -1880,11 +1926,6 @@ fn run(self, builder: &Builder<'_>) -> Compiler {
 
         copy_codegen_backends_to_sysroot(builder, build_compiler, target_compiler);
 
-        // We prepend this bin directory to the user PATH when linking Rust binaries. To
-        // avoid shadowing the system LLD we rename the LLD we provide to `rust-lld`.
-        let libdir = builder.sysroot_libdir(target_compiler, target_compiler.host);
-        let libdir_bin = libdir.parent().unwrap().join("bin");
-        t!(fs::create_dir_all(&libdir_bin));
         if let Some(lld_install) = lld_install {
             let src_exe = exe("lld", target_compiler.host);
             let dst_exe = exe("rust-lld", target_compiler.host);
@@ -1920,40 +1961,7 @@ fn run(self, builder: &Builder<'_>) -> Compiler {
             );
         }
 
-        if builder.config.llvm_enabled(target_compiler.host) {
+        maybe_install_llvm_bitcode_linker(build_compiler);
-            let llvm::LlvmResult { llvm_config, .. } =
-                builder.ensure(llvm::Llvm { target: target_compiler.host });
-            if !builder.config.dry_run() && builder.config.llvm_tools_enabled {
-                let llvm_bin_dir =
-                    command(llvm_config).arg("--bindir").run_capture_stdout(builder).stdout();
-                let llvm_bin_dir = Path::new(llvm_bin_dir.trim());
-
-                // Since we've already built the LLVM tools, install them to the sysroot.
-                // This is the equivalent of installing the `llvm-tools-preview` component via
-                // rustup, and lets developers use a locally built toolchain to
-                // build projects that expect llvm tools to be present in the sysroot
-                // (e.g. the `bootimage` crate).
-                for tool in LLVM_TOOLS {
-                    let tool_exe = exe(tool, target_compiler.host);
-                    let src_path = llvm_bin_dir.join(&tool_exe);
-                    // When using `download-ci-llvm`, some of the tools
-                    // may not exist, so skip trying to copy them.
-                    if src_path.exists() {
-                        builder.copy_link(&src_path, &libdir_bin.join(&tool_exe));
-                    }
-                }
-            }
-        }
-
-        if builder.config.llvm_bitcode_linker_enabled {
-            let src_path = builder.ensure(crate::core::build_steps::tool::LlvmBitcodeLinker {
-                compiler: build_compiler,
-                target: target_compiler.host,
-                extra_features: vec![],
-            });
-            let tool_exe = exe("llvm-bitcode-linker", target_compiler.host);
-            builder.copy_link(&src_path, &libdir_bin.join(tool_exe));
-        }
 
         // Ensure that `libLLVM.so` ends up in the newly build compiler directory,
         // so that it can be found when the newly built `rustc` is run.

src/bootstrap/src/core/config/config.rs

@@ -2739,6 +2739,8 @@ fn parse_download_ci_llvm(
                 return false;
             }
 
+            // Fetching the LLVM submodule is unnecessary for self-tests.
+            #[cfg(not(feature = "bootstrap-self-test"))]
             self.update_submodule("src/llvm-project");
 
             // Check for untracked changes in `src/llvm-project`.

src/bootstrap/src/lib.rs

@@ -349,10 +349,14 @@ pub fn new(mut config: Config) -> Build {
         };
         let Some(initial_libdir) = find_initial_libdir() else {
             panic!(
-                "couldn't determine `initial_libdir` \
+                "couldn't determine `initial_libdir`:
-                from target dir {initial_target_dir:?} \
+- config.initial_rustc:      {rustc:?}
-                and sysroot {initial_sysroot:?}"
+- initial_target_libdir_str: {initial_target_libdir_str:?}
-            )
+- initial_target_dir:        {initial_target_dir:?}
+- initial_sysroot:           {initial_sysroot:?}
+",
+                rustc = config.initial_rustc,
+            );
         };
 
         let version = std::fs::read_to_string(src.join("src").join("version"))

tests/ui/async-await/async-closures/body-check-on-non-fnmut.rs

@@ -0,0 +1,20 @@
+//@ aux-build:block-on.rs
+//@ edition:2021
+//@ build-pass
+
+#![feature(async_closure)]
+
+extern crate block_on;
+
+// Make sure that we don't call `coroutine_by_move_body_def_id` query
+// on async closures that are `FnOnce`. See issue: #130167.
+
+async fn empty() {}
+
+pub async fn call_once<F: async FnOnce()>(f: F) {
+    f().await;
+}
+
+fn main() {
+    block_on::block_on(call_once(async || empty().await));
+}