Auto merge of #122389 - workingjubilee:rollup-vbdniap, r=workingjubilee

Rollup of 12 pull requests

Successful merges:

 - #121754 ([bootstrap] Move the `split-debuginfo` setting to the per-target section)
 - #121953 (Add tests for the generated assembly of mask related simd instructions.)
 - #122081 (validate `builder::PATH_REMAP`)
 - #122245 (Detect truncated DepGraph files)
 - #122354 (bootstrap: Don't eagerly format verbose messages)
 - #122355 (rustdoc: fix up old test)
 - #122363 (tests: Add ui/attributes/unix_sigpipe/unix_sigpipe-str-list.rs)
 - #122366 (Fix stack overflow with recursive associated types)
 - #122377 (Fix discriminant_kind copy paste from the pointee trait case)
 - #122378 (Properly rebuild rustbooks)
 - #122380 (Fix typo in lib.rs of proc_macro)
 - #122381 (llvm-wrapper: adapt for LLVM API changes)

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

compiler/rustc_llvm/llvm-wrapper/RustWrapper.cpp

@@ -1112,11 +1112,16 @@ extern "C" LLVMValueRef LLVMRustDIBuilderInsertDeclareAtEnd(
     LLVMRustDIBuilderRef Builder, LLVMValueRef V, LLVMMetadataRef VarInfo,
     uint64_t *AddrOps, unsigned AddrOpsCount, LLVMMetadataRef DL,
     LLVMBasicBlockRef InsertAtEnd) {
-  return wrap(Builder->insertDeclare(
+  auto Result = Builder->insertDeclare(
       unwrap(V), unwrap<DILocalVariable>(VarInfo),
       Builder->createExpression(llvm::ArrayRef<uint64_t>(AddrOps, AddrOpsCount)),
       DebugLoc(cast<MDNode>(unwrap(DL))),
-      unwrap(InsertAtEnd)));
+      unwrap(InsertAtEnd));
+#if LLVM_VERSION_GE(19, 0)
+  return wrap(Result.get<llvm::Instruction *>());
+#else
+  return wrap(Result);
+#endif
 }
 
 extern "C" LLVMMetadataRef LLVMRustDIBuilderCreateEnumerator(

compiler/rustc_query_system/src/dep_graph/serialized.rs

@@ -179,13 +179,15 @@ impl SerializedDepGraph {
     pub fn decode<D: Deps>(d: &mut MemDecoder<'_>) -> SerializedDepGraph {
         // The last 16 bytes are the node count and edge count.
         debug!("position: {:?}", d.position());
-        let (node_count, edge_count) =
-            d.with_position(d.len() - 2 * IntEncodedWithFixedSize::ENCODED_SIZE, |d| {
+        let (node_count, edge_count, graph_size) =
+            d.with_position(d.len() - 3 * IntEncodedWithFixedSize::ENCODED_SIZE, |d| {
                 debug!("position: {:?}", d.position());
                 let node_count = IntEncodedWithFixedSize::decode(d).0 as usize;
                 let edge_count = IntEncodedWithFixedSize::decode(d).0 as usize;
-                (node_count, edge_count)
+                let graph_size = IntEncodedWithFixedSize::decode(d).0 as usize;
+                (node_count, edge_count, graph_size)
             });
+        assert_eq!(d.len(), graph_size);
         debug!("position: {:?}", d.position());
 
         debug!(?node_count, ?edge_count);
@@ -491,6 +493,8 @@ impl<D: Deps> EncoderState<D> {
         debug!("position: {:?}", encoder.position());
         IntEncodedWithFixedSize(node_count).encode(&mut encoder);
         IntEncodedWithFixedSize(edge_count).encode(&mut encoder);
+        let graph_size = encoder.position() + IntEncodedWithFixedSize::ENCODED_SIZE;
+        IntEncodedWithFixedSize(graph_size as u64).encode(&mut encoder);
         debug!("position: {:?}", encoder.position());
         // Drop the encoder so that nothing is written after the counts.
         let result = encoder.finish();

compiler/rustc_trait_selection/src/traits/project.rs

@@ -1061,8 +1061,9 @@ fn assemble_candidates_from_impls<'cx, 'tcx>(
                         // Integers and floats always have `u8` as their discriminant.
                         | ty::Infer(ty::InferTy::IntVar(_) | ty::InferTy::FloatVar(..)) => true,
 
-                         // type parameters, opaques, and unnormalized projections have pointer
-                        // metadata if they're known (e.g. by the param_env) to be sized
+                        // type parameters, opaques, and unnormalized projections don't have
+                        // a known discriminant and may need to be normalized further or rely
+                        // on param env for discriminant projections
                         ty::Param(_)
                         | ty::Alias(..)
                         | ty::Bound(..)

compiler/rustc_ty_utils/src/opaque_types.rs

@@ -240,6 +240,10 @@ impl<'tcx> TypeVisitor<TyCtxt<'tcx>> for OpaqueTypeCollector<'tcx> {
                                 continue;
                             }
 
+                            if !self.seen.insert(assoc.def_id.expect_local()) {
+                                return;
+                            }
+
                             let impl_args = alias_ty.args.rebase_onto(
                                 self.tcx,
                                 impl_trait_ref.def_id,

config.example.toml

@@ -543,23 +543,15 @@
 # FIXME(#61117): Some tests fail when this option is enabled.
 #debuginfo-level-tests = 0
 
-# Should rustc be build with split debuginfo? Default is platform dependent.
-# Valid values are the same as those accepted by `-C split-debuginfo`
-# (`off`/`unpacked`/`packed`).
+# Should rustc and the standard library be built with split debuginfo? Default
+# is platform dependent.
 #
-# On Linux, split debuginfo is disabled by default.
+# This field is deprecated, use `target.<triple>.split-debuginfo` instead.
 #
-# On Apple platforms, unpacked split debuginfo is used by default. Unpacked
-# debuginfo does not run `dsymutil`, which packages debuginfo from disparate
-# object files into a single `.dSYM` file. `dsymutil` adds time to builds for
-# no clear benefit, and also makes it more difficult for debuggers to find
-# debug info. The compiler currently defaults to running `dsymutil` to preserve
-# its historical default, but when compiling the compiler itself, we skip it by
-# default since we know it's safe to do so in that case.
+# The value specified here is only used when targeting the `build.build` triple,
+# and is overridden by `target.<triple>.split-debuginfo` if specified.
 #
-# On Windows platforms, packed debuginfo is the only supported option,
-# producing a `.pdb` file.
-#split-debuginfo = if linux { off } else if windows { packed } else if apple { unpacked }
+#split-debuginfo = see target.<triple>.split-debuginfo
 
 # Whether or not `panic!`s generate backtraces (RUST_BACKTRACE)
 #backtrace = true
@@ -773,6 +765,26 @@
 # Setting this will override the `use-lld` option for Rust code when targeting MSVC.
 #linker = "cc" (path)
 
+# Should rustc and the standard library be built with split debuginfo? Default
+# is platform dependent.
+#
+# Valid values are the same as those accepted by `-C split-debuginfo`
+# (`off`/`unpacked`/`packed`).
+#
+# On Linux, split debuginfo is disabled by default.
+#
+# On Apple platforms, unpacked split debuginfo is used by default. Unpacked
+# debuginfo does not run `dsymutil`, which packages debuginfo from disparate
+# object files into a single `.dSYM` file. `dsymutil` adds time to builds for
+# no clear benefit, and also makes it more difficult for debuggers to find
+# debug info. The compiler currently defaults to running `dsymutil` to preserve
+# its historical default, but when compiling the compiler itself, we skip it by
+# default since we know it's safe to do so in that case.
+#
+# On Windows platforms, packed debuginfo is the only supported option,
+# producing a `.pdb` file.
+#split-debuginfo = if linux { off } else if windows { packed } else if apple { unpacked }
+
 # Path to the `llvm-config` binary of the installation of a custom LLVM to link
 # against. Note that if this is specified we don't compile LLVM at all for this
 # target.

library/proc_macro/src/lib.rs

@@ -73,7 +73,7 @@ pub fn is_available() -> bool {
 
 /// The main type provided by this crate, representing an abstract stream of
 /// tokens, or, more specifically, a sequence of token trees.
-/// The type provide interfaces for iterating over those token trees and, conversely,
+/// The type provides interfaces for iterating over those token trees and, conversely,
 /// collecting a number of token trees into one stream.
 ///
 /// This is both the input and output of `#[proc_macro]`, `#[proc_macro_attribute]`

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

@@ -1536,7 +1536,8 @@ impl Step for Sysroot {
         };
         let sysroot = sysroot_dir(compiler.stage);
 
-        builder.verbose(&format!("Removing sysroot {} to avoid caching bugs", sysroot.display()));
+        builder
+            .verbose(|| println!("Removing sysroot {} to avoid caching bugs", sysroot.display()));
         let _ = fs::remove_dir_all(&sysroot);
         t!(fs::create_dir_all(&sysroot));
 
@@ -1606,7 +1607,7 @@ impl Step for Sysroot {
                     return true;
                 }
                 if !filtered_files.iter().all(|f| f != path.file_name().unwrap()) {
-                    builder.verbose_than(1, &format!("ignoring {}", path.display()));
+                    builder.verbose_than(1, || println!("ignoring {}", path.display()));
                     false
                 } else {
                     true
@@ -2085,7 +2086,7 @@ pub fn stream_cargo(
         cargo.arg(arg);
     }
 
-    builder.verbose(&format!("running: {cargo:?}"));
+    builder.verbose(|| println!("running: {cargo:?}"));
 
     if builder.config.dry_run() {
         return true;

src/bootstrap/src/core/build_steps/dist.rs

@@ -2107,7 +2107,7 @@ fn maybe_install_llvm(
     {
         let mut cmd = Command::new(llvm_config);
         cmd.arg("--libfiles");
-        builder.verbose(&format!("running {cmd:?}"));
+        builder.verbose(|| println!("running {cmd:?}"));
         let files = if builder.config.dry_run() { "".into() } else { output(&mut cmd) };
         let build_llvm_out = &builder.llvm_out(builder.config.build);
         let target_llvm_out = &builder.llvm_out(target);

src/bootstrap/src/core/build_steps/doc.rs

@@ -145,7 +145,8 @@ impl<P: Step> Step for RustbookSrc<P> {
         let rustbook = builder.tool_exe(Tool::Rustbook);
         let mut rustbook_cmd = builder.tool_cmd(Tool::Rustbook);
 
-        if !builder.config.dry_run() && !(up_to_date(&src, &index) || up_to_date(&rustbook, &index))
+        if !builder.config.dry_run()
+            && (!up_to_date(&src, &index) || !up_to_date(&rustbook, &index))
         {
             builder.info(&format!("Rustbook ({target}) - {name}"));
             let _ = fs::remove_dir_all(&out);

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

@@ -551,15 +551,15 @@ impl Miri {
         if builder.config.dry_run() {
             String::new()
         } else {
-            builder.verbose(&format!("running: {cargo:?}"));
+            builder.verbose(|| println!("running: {cargo:?}"));
             let out =
                 cargo.output().expect("We already ran `cargo miri setup` before and that worked");
             assert!(out.status.success(), "`cargo miri setup` returned with non-0 exit code");
             // Output is "<sysroot>\n".
             let stdout = String::from_utf8(out.stdout)
                 .expect("`cargo miri setup` stdout is not valid UTF-8");
             let sysroot = stdout.trim_end();
-            builder.verbose(&format!("`cargo miri setup --print-sysroot` said: {sysroot:?}"));
+            builder.verbose(|| println!("`cargo miri setup --print-sysroot` said: {sysroot:?}"));
             sysroot.to_owned()
         }
     }
@@ -2326,7 +2326,7 @@ fn markdown_test(builder: &Builder<'_>, compiler: Compiler, markdown: &Path) ->
         }
     }
 
-    builder.verbose(&format!("doc tests for: {}", markdown.display()));
+    builder.verbose(|| println!("doc tests for: {}", markdown.display()));
     let mut cmd = builder.rustdoc_cmd(compiler);
     builder.add_rust_test_threads(&mut cmd);
     // allow for unstable options such as new editions

src/bootstrap/src/core/builder.rs

@@ -291,7 +291,7 @@ impl PathSet {
 const PATH_REMAP: &[(&str, &[&str])] = &[
     // config.toml uses `rust-analyzer-proc-macro-srv`, but the
     // actual path is `proc-macro-srv-cli`
-    ("rust-analyzer-proc-macro-srv", &["proc-macro-srv-cli"]),
+    ("rust-analyzer-proc-macro-srv", &["src/tools/rust-analyzer/crates/proc-macro-srv-cli"]),
     // Make `x test tests` function the same as `x t tests/*`
     (
         "tests",
@@ -382,10 +382,12 @@ impl StepDescription {
         }
 
         if !builder.config.skip.is_empty() && !matches!(builder.config.dry_run, DryRun::SelfCheck) {
-            builder.verbose(&format!(
-                "{:?} not skipped for {:?} -- not in {:?}",
-                pathset, self.name, builder.config.skip
-            ));
+            builder.verbose(|| {
+                println!(
+                    "{:?} not skipped for {:?} -- not in {:?}",
+                    pathset, self.name, builder.config.skip
+                )
+            });
         }
         false
     }
@@ -1093,10 +1095,9 @@ impl<'a> Builder<'a> {
                 // Avoid deleting the rustlib/ directory we just copied
                 // (in `impl Step for Sysroot`).
                 if !builder.download_rustc() {
-                    builder.verbose(&format!(
-                        "Removing sysroot {} to avoid caching bugs",
-                        sysroot.display()
-                    ));
+                    builder.verbose(|| {
+                        println!("Removing sysroot {} to avoid caching bugs", sysroot.display())
+                    });
                     let _ = fs::remove_dir_all(&sysroot);
                     t!(fs::create_dir_all(&sysroot));
                 }
@@ -1436,7 +1437,7 @@ impl<'a> Builder<'a> {
 
         let sysroot_str = sysroot.as_os_str().to_str().expect("sysroot should be UTF-8");
         if !matches!(self.config.dry_run, DryRun::SelfCheck) {
-            self.verbose_than(0, &format!("using sysroot {sysroot_str}"));
+            self.verbose_than(0, || println!("using sysroot {sysroot_str}"));
         }
 
         let mut rustflags = Rustflags::new(target);
@@ -1731,15 +1732,16 @@ impl<'a> Builder<'a> {
             },
         );
 
+        let split_debuginfo = self.config.split_debuginfo(target);
         let split_debuginfo_is_stable = target.contains("linux")
             || target.contains("apple")
-            || (target.is_msvc() && self.config.rust_split_debuginfo == SplitDebuginfo::Packed)
-            || (target.is_windows() && self.config.rust_split_debuginfo == SplitDebuginfo::Off);
+            || (target.is_msvc() && split_debuginfo == SplitDebuginfo::Packed)
+            || (target.is_windows() && split_debuginfo == SplitDebuginfo::Off);
 
         if !split_debuginfo_is_stable {
             rustflags.arg("-Zunstable-options");
         }
-        match self.config.rust_split_debuginfo {
+        match split_debuginfo {
             SplitDebuginfo::Packed => rustflags.arg("-Csplit-debuginfo=packed"),
             SplitDebuginfo::Unpacked => rustflags.arg("-Csplit-debuginfo=unpacked"),
             SplitDebuginfo::Off => rustflags.arg("-Csplit-debuginfo=off"),
@@ -2102,11 +2104,11 @@ impl<'a> Builder<'a> {
                 panic!("{}", out);
             }
             if let Some(out) = self.cache.get(&step) {
-                self.verbose_than(1, &format!("{}c {:?}", "  ".repeat(stack.len()), step));
+                self.verbose_than(1, || println!("{}c {:?}", "  ".repeat(stack.len()), step));
 
                 return out;
             }
-            self.verbose_than(1, &format!("{}> {:?}", "  ".repeat(stack.len()), step));
+            self.verbose_than(1, || println!("{}> {:?}", "  ".repeat(stack.len()), step));
             stack.push(Box::new(step.clone()));
         }
 
@@ -2144,7 +2146,7 @@ impl<'a> Builder<'a> {
             let cur_step = stack.pop().expect("step stack empty");
             assert_eq!(cur_step.downcast_ref(), Some(&step));
         }
-        self.verbose_than(1, &format!("{}< {:?}", "  ".repeat(self.stack.borrow().len()), step));
+        self.verbose_than(1, || println!("{}< {:?}", "  ".repeat(self.stack.borrow().len()), step));
         self.cache.put(step, out.clone());
         out
     }

src/bootstrap/src/core/builder/tests.rs

@@ -115,6 +115,19 @@ fn test_intersection() {
     assert_eq!(command_paths, vec![Path::new("library/stdarch")]);
 }
 
+#[test]
+fn validate_path_remap() {
+    let build = Build::new(configure("test", &["A"], &["A"]));
+
+    PATH_REMAP
+        .iter()
+        .flat_map(|(_, paths)| paths.iter())
+        .map(|path| build.src.join(path))
+        .for_each(|path| {
+            assert!(path.exists(), "{} should exist.", path.display());
+        });
+}
+
 #[test]
 fn test_exclude() {
     let mut config = configure("test", &["A"], &["A"]);