Auto merge of rust-lang#123171 - matthiaskrgr:rollup-7id2r8o, r=matthiaskrgr

Rollup of 6 pull requests

Successful merges:

 - rust-lang#123063 (Function ABI is irrelevant for reachability)
 - rust-lang#123096 (Don't check match scrutinee of postfix match for unused parens)
 - rust-lang#123146 (Use compiletest directives instead of manually checking TARGET / tools)
 - rust-lang#123160 (remove `def_id_to_node_id` in ast lowering)
 - rust-lang#123162 (Correctly get complete intra-doc link data)
 - rust-lang#123164 (Bump Unicode printables to version 15.1, align to unicode_data)

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

Author: bors

compiler/rustc_lint/src/unused.rs

@@ -865,7 +865,9 @@ trait UnusedDelimLint {
                 (iter, UnusedDelimsCtx::ForIterExpr, true, None, Some(body.span.lo()), true)
             }
 
-            Match(ref head, ..) if Self::LINT_EXPR_IN_PATTERN_MATCHING_CTX => {
+            Match(ref head, _, ast::MatchKind::Prefix)
+                if Self::LINT_EXPR_IN_PATTERN_MATCHING_CTX =>
+            {
                 let left = e.span.lo() + rustc_span::BytePos(5);
                 (head, UnusedDelimsCtx::MatchScrutineeExpr, true, Some(left), None, true)
             }

compiler/rustc_middle/src/ty/mod.rs

@@ -215,7 +215,6 @@ pub struct ResolverAstLowering {
     pub next_node_id: ast::NodeId,
 
     pub node_id_to_def_id: NodeMap<LocalDefId>,
-    pub def_id_to_node_id: IndexVec<LocalDefId, ast::NodeId>,
 
     pub trait_map: NodeMap<Vec<hir::TraitCandidate>>,
     /// List functions and methods for which lifetime elision was successful.

compiler/rustc_passes/src/reachable.rs

@@ -24,7 +24,6 @@ use rustc_middle::query::Providers;
 use rustc_middle::ty::{self, ExistentialTraitRef, TyCtxt};
 use rustc_privacy::DefIdVisitor;
 use rustc_session::config::CrateType;
-use rustc_target::spec::abi::Abi;
 
 /// Determines whether this item is recursive for reachability. See `is_recursively_reachable_local`
 /// below for details.
@@ -164,16 +163,6 @@ impl<'tcx> ReachableContext<'tcx> {
         if !self.any_library {
             // If we are building an executable, only explicitly extern
             // types need to be exported.
-            let reachable =
-                if let Node::Item(hir::Item { kind: hir::ItemKind::Fn(sig, ..), .. })
-                | Node::ImplItem(hir::ImplItem {
-                    kind: hir::ImplItemKind::Fn(sig, ..), ..
-                }) = *node
-                {
-                    sig.header.abi != Abi::Rust
-                } else {
-                    false
-                };
             let codegen_attrs = if self.tcx.def_kind(search_item).has_codegen_attrs() {
                 self.tcx.codegen_fn_attrs(search_item)
             } else {
@@ -182,7 +171,7 @@ impl<'tcx> ReachableContext<'tcx> {
             let is_extern = codegen_attrs.contains_extern_indicator();
             let std_internal =
                 codegen_attrs.flags.contains(CodegenFnAttrFlags::RUSTC_STD_INTERNAL_SYMBOL);
-            if reachable || is_extern || std_internal {
+            if is_extern || std_internal {
                 self.reachable_symbols.insert(search_item);
             }
         } else {

compiler/rustc_resolve/src/lib.rs

@@ -1618,7 +1618,6 @@ impl<'a, 'tcx> Resolver<'a, 'tcx> {
                 .into_items()
                 .map(|(k, f)| (k, f.key()))
                 .collect(),
-            def_id_to_node_id: self.def_id_to_node_id,
             trait_map: self.trait_map,
             lifetime_elision_allowed: self.lifetime_elision_allowed,
             lint_buffer: Steal::new(self.lint_buffer),

library/core/src/unicode/printable.rs

@@ -63,7 +63,10 @@ pub(crate) fn is_printable(x: char) -> bool {
         if 0x2cea2 <= x && x < 0x2ceb0 {
             return false;
         }
-        if 0x2ebe1 <= x && x < 0x2f800 {
+        if 0x2ebe1 <= x && x < 0x2ebf0 {
+            return false;
+        }
+        if 0x2ee5e <= x && x < 0x2f800 {
             return false;
         }
         if 0x2fa1e <= x && x < 0x30000 {
@@ -112,7 +115,7 @@ const SINGLETONS0U: &[(u8, u8)] = &[
     (0x2b, 3),
     (0x2d, 11),
     (0x2e, 1),
-    (0x30, 3),
+    (0x30, 4),
     (0x31, 2),
     (0x32, 1),
     (0xa7, 2),
@@ -157,12 +160,12 @@ const SINGLETONS0L: &[u8] = &[
     0x7e, 0x7f, 0xb5, 0xc5, 0xd4, 0xd5, 0xdc, 0xf0,
     0xf1, 0xf5, 0x72, 0x73, 0x8f, 0x74, 0x75, 0x96,
     0x26, 0x2e, 0x2f, 0xa7, 0xaf, 0xb7, 0xbf, 0xc7,
-    0xcf, 0xd7, 0xdf, 0x9a, 0x40, 0x97, 0x98, 0x30,
-    0x8f, 0x1f, 0xd2, 0xd4, 0xce, 0xff, 0x4e, 0x4f,
-    0x5a, 0x5b, 0x07, 0x08, 0x0f, 0x10, 0x27, 0x2f,
-    0xee, 0xef, 0x6e, 0x6f, 0x37, 0x3d, 0x3f, 0x42,
-    0x45, 0x90, 0x91, 0x53, 0x67, 0x75, 0xc8, 0xc9,
-    0xd0, 0xd1, 0xd8, 0xd9, 0xe7, 0xfe, 0xff,
+    0xcf, 0xd7, 0xdf, 0x9a, 0x00, 0x40, 0x97, 0x98,
+    0x30, 0x8f, 0x1f, 0xd2, 0xd4, 0xce, 0xff, 0x4e,
+    0x4f, 0x5a, 0x5b, 0x07, 0x08, 0x0f, 0x10, 0x27,
+    0x2f, 0xee, 0xef, 0x6e, 0x6f, 0x37, 0x3d, 0x3f,
+    0x42, 0x45, 0x90, 0x91, 0x53, 0x67, 0x75, 0xc8,
+    0xc9, 0xd0, 0xd1, 0xd8, 0xd9, 0xe7, 0xfe, 0xff,
 ];
 #[rustfmt::skip]
 const SINGLETONS1U: &[(u8, u8)] = &[
@@ -339,10 +342,9 @@ const NORMAL0: &[u8] = &[
     0x80, 0xbe, 0x22,
     0x74, 0x0c,
     0x80, 0xd6, 0x1a,
-    0x0c, 0x05,
-    0x80, 0xff, 0x05,
-    0x80, 0xdf, 0x0c,
-    0xf2, 0x9d, 0x03,
+    0x81, 0x10, 0x05,
+    0x80, 0xdf, 0x0b,
+    0xf2, 0x9e, 0x03,
     0x37, 0x09,
     0x81, 0x5c, 0x14,
     0x80, 0xb8, 0x08,

src/librustdoc/passes/lint/redundant_explicit_links.rs

@@ -90,7 +90,7 @@ fn check_redundant_explicit_link<'md>(
 ) -> Option<()> {
     let mut broken_line_callback = |link: BrokenLink<'md>| Some((link.reference, "".into()));
     let mut offset_iter = Parser::new_with_broken_link_callback(
-        &doc,
+        doc,
         main_body_opts(),
         Some(&mut broken_line_callback),
     )
@@ -264,6 +264,7 @@ fn collect_link_data(offset_iter: &mut OffsetIter<'_, '_>) -> LinkData {
     let mut resolvable_link = None;
     let mut resolvable_link_range = None;
     let mut display_link = String::new();
+    let mut is_resolvable = true;
 
     while let Some((event, range)) = offset_iter.next() {
         match event {
@@ -281,13 +282,23 @@ fn collect_link_data(offset_iter: &mut OffsetIter<'_, '_>) -> LinkData {
                 resolvable_link = Some(code);
                 resolvable_link_range = Some(range);
             }
+            Event::Start(_) => {
+                // If there is anything besides backticks, it's not considered as an intra-doc link
+                // so we ignore it.
+                is_resolvable = false;
+            }
             Event::End(_) => {
                 break;
             }
             _ => {}
         }
     }
 
+    if !is_resolvable {
+        resolvable_link_range = None;
+        resolvable_link = None;
+    }
+
     LinkData { resolvable_link, resolvable_link_range, display_link }
 }
 

src/tools/compiletest/src/header.rs

@@ -691,9 +691,9 @@ pub fn line_directive<'line>(
     }
 }
 
-/// This is generated by collecting directives from ui tests and then extracting their directive
-/// names. This is **not** an exhaustive list of all possible directives. Instead, this is a
-/// best-effort approximation for diagnostics.
+/// This was originally generated by collecting directives from ui tests and then extracting their
+/// directive names. This is **not** an exhaustive list of all possible directives. Instead, this is
+/// a best-effort approximation for diagnostics. Add new headers to this list when needed.
 const KNOWN_DIRECTIVE_NAMES: &[&str] = &[
     // tidy-alphabetical-start
     "assembly-output",
@@ -837,6 +837,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[
     "needs-sanitizer-thread",
     "needs-threads",
     "needs-unwind",
+    "needs-wasmtime",
     "needs-xray",
     "no-prefer-dynamic",
     "normalize-stderr-32bit",
@@ -872,6 +873,7 @@ const KNOWN_DIRECTIVE_NAMES: &[&str] = &[
     "only-unix",
     "only-wasm32",
     "only-wasm32-bare",
+    "only-wasm32-wasip1",
     "only-windows",
     "only-x86",
     "only-x86_64",

src/tools/compiletest/src/header/needs.rs

@@ -149,6 +149,11 @@ pub(super) fn handle_needs(
             condition: config.target_cfg().relocation_model == "pic",
             ignore_reason: "ignored on targets without PIC relocation model",
         },
+        Need {
+            name: "needs-wasmtime",
+            condition: config.runner.as_ref().is_some_and(|r| r.contains("wasmtime")),
+            ignore_reason: "ignored when wasmtime runner is not available",
+        },
     ];
 
     let (name, comment) = match ln.split_once([':', ' ']) {

tests/run-make/compiler-builtins/rmake.rs

@@ -8,6 +8,10 @@
 //! settings. Turning off optimizations and enabling debug assertions tends to produce the most
 //! dependence on core that is possible, so that is the configuration we test here.
 
+// wasm and nvptx targets don't produce rlib files that object can parse.
+//@ ignore-wasm
+//@ ignore-nvptx64
+
 #![deny(warnings)]
 
 extern crate run_make_support;
@@ -33,10 +37,6 @@ path = "lib.rs""#;
 fn main() {
     let target_dir = tmp_dir().join("target");
     let target = std::env::var("TARGET").unwrap();
-    if target.starts_with("wasm") || target.starts_with("nvptx") {
-        // wasm and nvptx targets don't produce rlib files that object can parse.
-        return;
-    }
 
     println!("Testing compiler_builtins for {}", target);
 

tests/run-make/wasm-abi/rmake.rs

@@ -1,27 +1,17 @@
+//@ only-wasm32-wasip1
+//@ needs-wasmtime
+
 extern crate run_make_support;
 
 use run_make_support::{rustc, tmp_dir};
 use std::path::Path;
 use std::process::Command;
 
 fn main() {
-    if std::env::var("TARGET").unwrap() != "wasm32-wasip1" {
-        return;
-    }
-
     rustc().input("foo.rs").target("wasm32-wasip1").run();
 
     let file = tmp_dir().join("foo.wasm");
 
-    let has_wasmtime = match Command::new("wasmtime").arg("--version").output() {
-        Ok(s) => s.status.success(),
-        _ => false,
-    };
-    if !has_wasmtime {
-        println!("skipping test, wasmtime isn't available");
-        return;
-    }
-
     run(&file, "return_two_i32", "1\n2\n");
     run(&file, "return_two_i64", "3\n4\n");
     run(&file, "return_two_f32", "5\n6\n");