Auto merge of #123004 - matthiaskrgr:rollup-s3v4p50, r=matthiaskrgr

Rollup of 10 pull requests

Successful merges:

 - #122737 (conditionally ignore fatal diagnostic in the SilentEmitter)
 - #122757 (Fixed the `private-dependency` bug)
 - #122886 (add test for #90192)
 - #122937 (Unbox and unwrap the contents of `StatementKind::Coverage`)
 - #122949 (Add a regression test for #117310)
 - #122962 (Track run-make-support lib in common inputs stamp)
 - #122977 (Rename `Arguments::as_const_str` to `as_statically_known_str`)
 - #122983 (Fix build failure on ARM/AArch64/PowerPC/RISC-V FreeBSD/NetBSD)
 - #122984 (panic-in-panic-hook: formatting a message that's just a string is risk-free)
 - #122992 (std::thread: refine available_parallelism for solaris/illumos.)

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

Author: bors

compiler/rustc_codegen_gcc/src/coverageinfo.rs

@@ -1,11 +1,11 @@
 use rustc_codegen_ssa::traits::CoverageInfoBuilderMethods;
-use rustc_middle::mir::Coverage;
+use rustc_middle::mir::coverage::CoverageKind;
 use rustc_middle::ty::Instance;
 
 use crate::builder::Builder;
 
 impl<'a, 'gcc, 'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'a, 'gcc, 'tcx> {
-    fn add_coverage(&mut self, _instance: Instance<'tcx>, _coverage: &Coverage) {
+    fn add_coverage(&mut self, _instance: Instance<'tcx>, _kind: &CoverageKind) {
         // TODO(antoyo)
     }
 }

compiler/rustc_codegen_llvm/src/coverageinfo/mod.rs

@@ -14,7 +14,6 @@ use rustc_data_structures::fx::{FxHashMap, FxIndexMap};
 use rustc_llvm::RustString;
 use rustc_middle::bug;
 use rustc_middle::mir::coverage::CoverageKind;
-use rustc_middle::mir::Coverage;
 use rustc_middle::ty::layout::HasTyCtxt;
 use rustc_middle::ty::Instance;
 
@@ -75,7 +74,7 @@ impl<'ll, 'tcx> CodegenCx<'ll, 'tcx> {
 
 impl<'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'_, '_, 'tcx> {
     #[instrument(level = "debug", skip(self))]
-    fn add_coverage(&mut self, instance: Instance<'tcx>, coverage: &Coverage) {
+    fn add_coverage(&mut self, instance: Instance<'tcx>, kind: &CoverageKind) {
         // Our caller should have already taken care of inlining subtleties,
         // so we can assume that counter/expression IDs in this coverage
         // statement are meaningful for the given instance.
@@ -98,7 +97,6 @@ impl<'tcx> CoverageInfoBuilderMethods<'tcx> for Builder<'_, '_, 'tcx> {
             .entry(instance)
             .or_insert_with(|| FunctionCoverageCollector::new(instance, function_coverage_info));
 
-        let Coverage { kind } = coverage;
         match *kind {
             CoverageKind::SpanMarker | CoverageKind::BlockMarker { .. } => unreachable!(
                 "marker statement {kind:?} should have been removed by CleanupPostBorrowck"

compiler/rustc_codegen_ssa/src/mir/coverageinfo.rs

@@ -1,12 +1,12 @@
 use crate::traits::*;
 
-use rustc_middle::mir::Coverage;
+use rustc_middle::mir::coverage::CoverageKind;
 use rustc_middle::mir::SourceScope;
 
 use super::FunctionCx;
 
 impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
-    pub fn codegen_coverage(&self, bx: &mut Bx, coverage: &Coverage, scope: SourceScope) {
+    pub fn codegen_coverage(&self, bx: &mut Bx, kind: &CoverageKind, scope: SourceScope) {
         // Determine the instance that coverage data was originally generated for.
         let instance = if let Some(inlined) = scope.inlined_instance(&self.mir.source_scopes) {
             self.monomorphize(inlined)
@@ -15,6 +15,6 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
         };
 
         // Handle the coverage info in a backend-specific way.
-        bx.add_coverage(instance, coverage);
+        bx.add_coverage(instance, kind);
     }
 }

compiler/rustc_codegen_ssa/src/mir/statement.rs

@@ -64,8 +64,8 @@ impl<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>> FunctionCx<'a, 'tcx, Bx> {
                     cg_indirect_place.storage_dead(bx);
                 }
             }
-            mir::StatementKind::Coverage(box ref coverage) => {
-                self.codegen_coverage(bx, coverage, statement.source_info.scope);
+            mir::StatementKind::Coverage(ref kind) => {
+                self.codegen_coverage(bx, kind, statement.source_info.scope);
             }
             mir::StatementKind::Intrinsic(box NonDivergingIntrinsic::Assume(ref op)) => {
                 if !matches!(bx.tcx().sess.opts.optimize, OptLevel::No | OptLevel::Less) {

compiler/rustc_codegen_ssa/src/traits/coverageinfo.rs

@@ -1,11 +1,11 @@
 use super::BackendTypes;
-use rustc_middle::mir::Coverage;
+use rustc_middle::mir::coverage::CoverageKind;
 use rustc_middle::ty::Instance;
 
 pub trait CoverageInfoBuilderMethods<'tcx>: BackendTypes {
     /// Handle the MIR coverage info in a backend-specific way.
     ///
     /// This can potentially be a no-op in backends that don't support
     /// coverage instrumentation.
-    fn add_coverage(&mut self, instance: Instance<'tcx>, coverage: &Coverage);
+    fn add_coverage(&mut self, instance: Instance<'tcx>, kind: &CoverageKind);
 }

compiler/rustc_const_eval/src/transform/validate.rs

@@ -346,8 +346,7 @@ impl<'a, 'tcx> Visitor<'tcx> for CfgChecker<'a, 'tcx> {
                     self.fail(location, format!("explicit `{kind:?}` is forbidden"));
                 }
             }
-            StatementKind::Coverage(coverage) => {
-                let kind = &coverage.kind;
+            StatementKind::Coverage(kind) => {
                 if self.mir_phase >= MirPhase::Analysis(AnalysisPhase::PostCleanup)
                     && let CoverageKind::BlockMarker { .. } | CoverageKind::SpanMarker { .. } = kind
                 {

compiler/rustc_errors/src/emitter.rs

@@ -541,6 +541,7 @@ pub struct SilentEmitter {
     pub fallback_bundle: LazyFallbackBundle,
     pub fatal_dcx: DiagCtxt,
     pub fatal_note: Option<String>,
+    pub emit_fatal_diagnostic: bool,
 }
 
 impl Translate for SilentEmitter {
@@ -561,7 +562,7 @@ impl Emitter for SilentEmitter {
     }
 
     fn emit_diagnostic(&mut self, mut diag: DiagInner) {
-        if diag.level == Level::Fatal {
+        if self.emit_fatal_diagnostic && diag.level == Level::Fatal {
             if let Some(fatal_note) = &self.fatal_note {
                 diag.sub(Level::Note, fatal_note.clone(), MultiSpan::new());
             }

compiler/rustc_errors/src/lib.rs

@@ -612,12 +612,18 @@ impl DiagCtxt {
         Self { inner: Lock::new(DiagCtxtInner::new(emitter)) }
     }
 
-    pub fn make_silent(&mut self, fallback_bundle: LazyFallbackBundle, fatal_note: Option<String>) {
+    pub fn make_silent(
+        &mut self,
+        fallback_bundle: LazyFallbackBundle,
+        fatal_note: Option<String>,
+        emit_fatal_diagnostic: bool,
+    ) {
         self.wrap_emitter(|old_dcx| {
             Box::new(emitter::SilentEmitter {
                 fallback_bundle,
                 fatal_dcx: DiagCtxt { inner: Lock::new(old_dcx) },
                 fatal_note,
+                emit_fatal_diagnostic,
             })
         });
     }

compiler/rustc_interface/src/interface.rs

@@ -48,6 +48,7 @@ pub(crate) fn parse_cfg(dcx: &DiagCtxt, cfgs: Vec<String>) -> Cfg {
             let psess = ParseSess::with_silent_emitter(
                 vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE],
                 format!("this error occurred on the command line: `--cfg={s}`"),
+                true,
             );
             let filename = FileName::cfg_spec_source_code(&s);
 
@@ -111,6 +112,7 @@ pub(crate) fn parse_check_cfg(dcx: &DiagCtxt, specs: Vec<String>) -> CheckCfg {
         let psess = ParseSess::with_silent_emitter(
             vec![crate::DEFAULT_LOCALE_RESOURCE, rustc_parse::DEFAULT_LOCALE_RESOURCE],
             format!("this error occurred on the command line: `--check-cfg={s}`"),
+            true,
         );
         let filename = FileName::cfg_spec_source_code(&s);
 

compiler/rustc_metadata/src/creader.rs

@@ -389,6 +389,15 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> {
         None
     }
 
+    // The `dependency` type is determined by the command line arguments(`--extern`) and
+    // `private_dep`. However, sometimes the directly dependent crate is not specified by
+    // `--extern`, in this case, `private-dep` is none during loading. This is equivalent to the
+    // scenario where the command parameter is set to `public-dependency`
+    fn is_private_dep(&self, name: &str, private_dep: Option<bool>) -> bool {
+        self.sess.opts.externs.get(name).map_or(private_dep.unwrap_or(false), |e| e.is_private_dep)
+            && private_dep.unwrap_or(true)
+    }
+
     fn register_crate(
         &mut self,
         host_lib: Option<Library>,
@@ -404,14 +413,7 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> {
         let Library { source, metadata } = lib;
         let crate_root = metadata.get_root();
         let host_hash = host_lib.as_ref().map(|lib| lib.metadata.get_root().hash());
-
-        let private_dep = self
-            .sess
-            .opts
-            .externs
-            .get(name.as_str())
-            .map_or(private_dep.unwrap_or(false), |e| e.is_private_dep)
-            && private_dep.unwrap_or(true);
+        let private_dep = self.is_private_dep(name.as_str(), private_dep);
 
         // Claim this crate number and cache it
         let cnum = self.cstore.intern_stable_crate_id(&crate_root)?;
@@ -601,14 +603,17 @@ impl<'a, 'tcx> CrateLoader<'a, 'tcx> {
 
         match result {
             (LoadResult::Previous(cnum), None) => {
+                // When `private_dep` is none, it indicates the directly dependent crate. If it is
+                // not specified by `--extern` on command line parameters, it may be
+                // `private-dependency` when `register_crate` is called for the first time. Then it must be updated to
+                // `public-dependency` here.
+                let private_dep = self.is_private_dep(name.as_str(), private_dep);
                 let data = self.cstore.get_crate_data_mut(cnum);
                 if data.is_proc_macro_crate() {
                     dep_kind = CrateDepKind::MacrosOnly;
                 }
                 data.set_dep_kind(cmp::max(data.dep_kind(), dep_kind));
-                if let Some(private_dep) = private_dep {
-                    data.update_and_private_dep(private_dep);
-                }
+                data.update_and_private_dep(private_dep);
                 Ok(cnum)
             }
             (LoadResult::Loaded(library), host_library) => {

compiler/rustc_middle/src/mir/pretty.rs

@@ -13,7 +13,7 @@ use rustc_middle::mir::interpret::{
     Provenance,
 };
 use rustc_middle::mir::visit::Visitor;
-use rustc_middle::mir::{self, *};
+use rustc_middle::mir::*;
 use rustc_target::abi::Size;
 
 const INDENT: &str = "    ";
@@ -711,7 +711,7 @@ impl Debug for Statement<'_> {
             AscribeUserType(box (ref place, ref c_ty), ref variance) => {
                 write!(fmt, "AscribeUserType({place:?}, {variance:?}, {c_ty:?})")
             }
-            Coverage(box mir::Coverage { ref kind }) => write!(fmt, "Coverage::{kind:?}"),
+            Coverage(ref kind) => write!(fmt, "Coverage::{kind:?}"),
             Intrinsic(box ref intrinsic) => write!(fmt, "{intrinsic}"),
             ConstEvalCounter => write!(fmt, "ConstEvalCounter"),
             Nop => write!(fmt, "nop"),

compiler/rustc_middle/src/mir/syntax.rs

@@ -373,7 +373,7 @@ pub enum StatementKind<'tcx> {
     ///
     /// Interpreters and codegen backends that don't support coverage instrumentation
     /// can usually treat this as a no-op.
-    Coverage(Box<Coverage>),
+    Coverage(CoverageKind),
 
     /// Denotes a call to an intrinsic that does not require an unwind path and always returns.
     /// This avoids adding a new block and a terminator for simple intrinsics.
@@ -517,12 +517,6 @@ pub enum FakeReadCause {
     ForIndex,
 }
 
-#[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable)]
-#[derive(TypeFoldable, TypeVisitable)]
-pub struct Coverage {
-    pub kind: CoverageKind,
-}
-
 #[derive(Clone, Debug, PartialEq, TyEncodable, TyDecodable, Hash, HashStable)]
 #[derive(TypeFoldable, TypeVisitable)]
 pub struct CopyNonOverlapping<'tcx> {
@@ -1458,5 +1452,6 @@ mod size_asserts {
     static_assert_size!(Place<'_>, 16);
     static_assert_size!(PlaceElem<'_>, 24);
     static_assert_size!(Rvalue<'_>, 40);
+    static_assert_size!(StatementKind<'_>, 16);
     // tidy-alphabetical-end
 }

compiler/rustc_middle/src/mir/visit.rs

@@ -156,10 +156,10 @@ macro_rules! make_mir_visitor {
 
             fn visit_coverage(
                 &mut self,
-                coverage: & $($mutability)? Coverage,
+                kind: & $($mutability)? coverage::CoverageKind,
                 location: Location,
             ) {
-                self.super_coverage(coverage, location);
+                self.super_coverage(kind, location);
             }
 
             fn visit_retag(
@@ -803,7 +803,7 @@ macro_rules! make_mir_visitor {
             }
 
             fn super_coverage(&mut self,
-                              _coverage: & $($mutability)? Coverage,
+                              _kind: & $($mutability)? coverage::CoverageKind,
                               _location: Location) {
             }
 

compiler/rustc_mir_build/src/build/cfg.rs

@@ -107,9 +107,7 @@ impl<'tcx> CFG<'tcx> {
     /// This results in more accurate coverage reports for certain kinds of
     /// syntax (e.g. `continue` or `if !`) that would otherwise not appear in MIR.
     pub(crate) fn push_coverage_span_marker(&mut self, block: BasicBlock, source_info: SourceInfo) {
-        let kind = StatementKind::Coverage(Box::new(Coverage {
-            kind: coverage::CoverageKind::SpanMarker,
-        }));
+        let kind = StatementKind::Coverage(coverage::CoverageKind::SpanMarker);
         let stmt = Statement { source_info, kind };
         self.push(block, stmt);
     }

compiler/rustc_mir_build/src/build/coverageinfo.rs

@@ -127,9 +127,7 @@ impl Builder<'_, '_> {
 
             let marker_statement = mir::Statement {
                 source_info,
-                kind: mir::StatementKind::Coverage(Box::new(mir::Coverage {
-                    kind: CoverageKind::BlockMarker { id },
-                })),
+                kind: mir::StatementKind::Coverage(CoverageKind::BlockMarker { id }),
             };
             self.cfg.push(block, marker_statement);
 

compiler/rustc_mir_transform/src/cleanup_post_borrowck.rs

@@ -18,7 +18,7 @@
 
 use crate::MirPass;
 use rustc_middle::mir::coverage::CoverageKind;
-use rustc_middle::mir::{Body, BorrowKind, Coverage, Rvalue, StatementKind, TerminatorKind};
+use rustc_middle::mir::{Body, BorrowKind, Rvalue, StatementKind, TerminatorKind};
 use rustc_middle::ty::TyCtxt;
 
 pub struct CleanupPostBorrowck;
@@ -30,12 +30,11 @@ impl<'tcx> MirPass<'tcx> for CleanupPostBorrowck {
                 match statement.kind {
                     StatementKind::AscribeUserType(..)
                     | StatementKind::Assign(box (_, Rvalue::Ref(_, BorrowKind::Fake, _)))
-                    | StatementKind::Coverage(box Coverage {
+                    | StatementKind::Coverage(
                         // These kinds of coverage statements are markers inserted during
                         // MIR building, and are not needed after InstrumentCoverage.
-                        kind: CoverageKind::BlockMarker { .. } | CoverageKind::SpanMarker { .. },
-                        ..
-                    })
+                        CoverageKind::BlockMarker { .. } | CoverageKind::SpanMarker { .. },
+                    )
                     | StatementKind::FakeRead(..) => statement.make_nop(),
                     _ => (),
                 }

compiler/rustc_mir_transform/src/coverage/mod.rs

@@ -15,7 +15,7 @@ use crate::MirPass;
 
 use rustc_middle::mir::coverage::*;
 use rustc_middle::mir::{
-    self, BasicBlock, BasicBlockData, Coverage, SourceInfo, Statement, StatementKind, Terminator,
+    self, BasicBlock, BasicBlockData, SourceInfo, Statement, StatementKind, Terminator,
     TerminatorKind,
 };
 use rustc_middle::ty::TyCtxt;
@@ -230,10 +230,7 @@ fn inject_statement(mir_body: &mut mir::Body<'_>, counter_kind: CoverageKind, bb
     debug!("  injecting statement {counter_kind:?} for {bb:?}");
     let data = &mut mir_body[bb];
     let source_info = data.terminator().source_info;
-    let statement = Statement {
-        source_info,
-        kind: StatementKind::Coverage(Box::new(Coverage { kind: counter_kind })),
-    };
+    let statement = Statement { source_info, kind: StatementKind::Coverage(counter_kind) };
     data.statements.insert(0, statement);
 }
 

compiler/rustc_mir_transform/src/coverage/query.rs

@@ -1,7 +1,7 @@
 use rustc_data_structures::captures::Captures;
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
 use rustc_middle::mir::coverage::{CounterId, CoverageKind};
-use rustc_middle::mir::{Body, Coverage, CoverageIdsInfo, Statement, StatementKind};
+use rustc_middle::mir::{Body, CoverageIdsInfo, Statement, StatementKind};
 use rustc_middle::query::TyCtxtAt;
 use rustc_middle::ty::{self, TyCtxt};
 use rustc_middle::util::Providers;
@@ -54,7 +54,7 @@ fn coverage_ids_info<'tcx>(
     let mir_body = tcx.instance_mir(instance_def);
 
     let max_counter_id = all_coverage_in_mir_body(mir_body)
-        .filter_map(|coverage| match coverage.kind {
+        .filter_map(|kind| match *kind {
             CoverageKind::CounterIncrement { id } => Some(id),
             _ => None,
         })
@@ -66,12 +66,10 @@ fn coverage_ids_info<'tcx>(
 
 fn all_coverage_in_mir_body<'a, 'tcx>(
     body: &'a Body<'tcx>,
-) -> impl Iterator<Item = &'a Coverage> + Captures<'tcx> {
+) -> impl Iterator<Item = &'a CoverageKind> + Captures<'tcx> {
     body.basic_blocks.iter().flat_map(|bb_data| &bb_data.statements).filter_map(|statement| {
         match statement.kind {
-            StatementKind::Coverage(box ref coverage) if !is_inlined(body, statement) => {
-                Some(coverage)
-            }
+            StatementKind::Coverage(ref kind) if !is_inlined(body, statement) => Some(kind),
             _ => None,
         }
     })