Adding upstream version 1.65.0+dfsg1.upstream/1.65.0+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

7 files changed, 83 insertions, 27 deletions

diff --git a/compiler/rustc_symbol_mangling/Cargo.toml b/compiler/rustc_symbol_mangling/Cargo.toml
index b104a40c2..3db052257 100644
--- a/compiler/rustc_symbol_mangling/Cargo.toml
+++ b/compiler/rustc_symbol_mangling/Cargo.toml
@@ -18,3 +18,5 @@ rustc_hir = { path = "../rustc_hir" }
 rustc_target = { path = "../rustc_target" }
 rustc_data_structures = { path = "../rustc_data_structures" }
 rustc_session = { path = "../rustc_session" }
+rustc_macros = { path = "../rustc_macros" }
+rustc_errors = { path = "../rustc_errors" }
diff --git a/compiler/rustc_symbol_mangling/src/errors.rs b/compiler/rustc_symbol_mangling/src/errors.rs
new file mode 100644
index 000000000..664d2543f
--- /dev/null
+++ b/compiler/rustc_symbol_mangling/src/errors.rs
@@ -0,0 +1,34 @@
+//! Errors emitted by symbol_mangling.
+
+use rustc_errors::{DiagnosticArgValue, IntoDiagnosticArg};
+use rustc_macros::SessionDiagnostic;
+use rustc_span::Span;
+
+#[derive(SessionDiagnostic)]
+#[diag(symbol_mangling::test_output)]
+pub struct TestOutput {
+    #[primary_span]
+    pub span: Span,
+    pub kind: Kind,
+    pub content: String,
+}
+
+pub enum Kind {
+    SymbolName,
+    Demangling,
+    DemanglingAlt,
+    DefPath,
+}
+
+impl IntoDiagnosticArg for Kind {
+    fn into_diagnostic_arg(self) -> DiagnosticArgValue<'static> {
+        let kind = match self {
+            Kind::SymbolName => "symbol-name",
+            Kind::Demangling => "demangling",
+            Kind::DemanglingAlt => "demangling-alt",
+            Kind::DefPath => "def-path",
+        }
+        .into();
+        DiagnosticArgValue::Str(kind)
+    }
+}
diff --git a/compiler/rustc_symbol_mangling/src/legacy.rs b/compiler/rustc_symbol_mangling/src/legacy.rs
index 9241fd82c..46c5fe78f 100644
--- a/compiler/rustc_symbol_mangling/src/legacy.rs
+++ b/compiler/rustc_symbol_mangling/src/legacy.rs
@@ -6,8 +6,6 @@ use rustc_middle::ty::subst::{GenericArg, GenericArgKind};
 use rustc_middle::ty::{self, Instance, Ty, TyCtxt, TypeVisitable};
 use rustc_middle::util::common::record_time;
 
-use tracing::debug;
-
 use std::fmt::{self, Write};
 use std::mem::{self, discriminant};
 
diff --git a/compiler/rustc_symbol_mangling/src/lib.rs b/compiler/rustc_symbol_mangling/src/lib.rs
index 5fc992023..62f44a480 100644
--- a/compiler/rustc_symbol_mangling/src/lib.rs
+++ b/compiler/rustc_symbol_mangling/src/lib.rs
@@ -91,10 +91,15 @@
 #![feature(never_type)]
 #![recursion_limit = "256"]
 #![allow(rustc::potential_query_instability)]
+#![deny(rustc::untranslatable_diagnostic)]
+#![deny(rustc::diagnostic_outside_of_impl)]
 
 #[macro_use]
 extern crate rustc_middle;
 
+#[macro_use]
+extern crate tracing;
+
 use rustc_hir::def::DefKind;
 use rustc_hir::def_id::{CrateNum, LOCAL_CRATE};
 use rustc_middle::middle::codegen_fn_attrs::CodegenFnAttrFlags;
@@ -105,11 +110,10 @@ use rustc_middle::ty::subst::SubstsRef;
 use rustc_middle::ty::{self, Instance, TyCtxt};
 use rustc_session::config::SymbolManglingVersion;
 
-use tracing::debug;
-
 mod legacy;
 mod v0;
 
+pub mod errors;
 pub mod test;
 pub mod typeid;
 
diff --git a/compiler/rustc_symbol_mangling/src/test.rs b/compiler/rustc_symbol_mangling/src/test.rs
index 7249ce04c..9d89c9c52 100644
--- a/compiler/rustc_symbol_mangling/src/test.rs
+++ b/compiler/rustc_symbol_mangling/src/test.rs
@@ -4,6 +4,7 @@
 //! def-path. This is used for unit testing the code that generates
 //! paths etc in all kinds of annoying scenarios.
 
+use crate::errors::{Kind, TestOutput};
 use rustc_hir::def_id::LocalDefId;
 use rustc_middle::ty::print::with_no_trimmed_paths;
 use rustc_middle::ty::{subst::InternalSubsts, Instance, TyCtxt};
@@ -59,16 +60,31 @@ impl SymbolNamesTest<'_> {
                 tcx.erase_regions(InternalSubsts::identity_for_item(tcx, def_id)),
             );
             let mangled = tcx.symbol_name(instance);
-            tcx.sess.span_err(attr.span, &format!("symbol-name({})", mangled));
+            tcx.sess.emit_err(TestOutput {
+                span: attr.span,
+                kind: Kind::SymbolName,
+                content: format!("{mangled}"),
+            });
             if let Ok(demangling) = rustc_demangle::try_demangle(mangled.name) {
-                tcx.sess.span_err(attr.span, &format!("demangling({})", demangling));
-                tcx.sess.span_err(attr.span, &format!("demangling-alt({:#})", demangling));
+                tcx.sess.emit_err(TestOutput {
+                    span: attr.span,
+                    kind: Kind::Demangling,
+                    content: format!("{demangling}"),
+                });
+                tcx.sess.emit_err(TestOutput {
+                    span: attr.span,
+                    kind: Kind::DemanglingAlt,
+                    content: format!("{:#}", demangling),
+                });
             }
         }
 
         for attr in tcx.get_attrs(def_id.to_def_id(), DEF_PATH) {
-            let path = with_no_trimmed_paths!(tcx.def_path_str(def_id.to_def_id()));
-            tcx.sess.span_err(attr.span, &format!("def-path({})", path));
+            tcx.sess.emit_err(TestOutput {
+                span: attr.span,
+                kind: Kind::DefPath,
+                content: with_no_trimmed_paths!(tcx.def_path_str(def_id.to_def_id())),
+            });
         }
     }
 }
diff --git a/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs b/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs
index a09b52fbf..aa65a72ab 100644
--- a/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs
+++ b/compiler/rustc_symbol_mangling/src/typeid/typeid_itanium_cxx_abi.rs
@@ -13,7 +13,7 @@ use rustc_hir as hir;
 use rustc_middle::ty::subst::{GenericArg, GenericArgKind, SubstsRef};
 use rustc_middle::ty::{
     self, Binder, Const, ExistentialPredicate, FloatTy, FnSig, IntTy, List, Region, RegionKind,
-    Term, Ty, TyCtxt, UintTy,
+    TermKind, Ty, TyCtxt, UintTy,
 };
 use rustc_span::def_id::DefId;
 use rustc_span::symbol::sym;
@@ -243,13 +243,9 @@ fn encode_predicate<'tcx>(
             let name = encode_ty_name(tcx, projection.item_def_id);
             let _ = write!(s, "u{}{}", name.len(), &name);
             s.push_str(&encode_substs(tcx, projection.substs, dict, options));
-            match projection.term {
-                Term::Ty(ty) => {
-                    s.push_str(&encode_ty(tcx, ty, dict, options));
-                }
-                Term::Const(c) => {
-                    s.push_str(&encode_const(tcx, c, dict, options));
-                }
+            match projection.term.unpack() {
+                TermKind::Ty(ty) => s.push_str(&encode_ty(tcx, ty, dict, options)),
+                TermKind::Const(c) => s.push_str(&encode_const(tcx, c, dict, options)),
             }
         }
         ty::ExistentialPredicate::AutoTrait(def_id) => {
@@ -309,8 +305,7 @@ fn encode_region<'tcx>(
         | RegionKind::ReFree(..)
         | RegionKind::ReStatic
         | RegionKind::ReVar(..)
-        | RegionKind::RePlaceholder(..)
-        | RegionKind::ReEmpty(..) => {
+        | RegionKind::RePlaceholder(..) => {
             bug!("encode_region: unexpected `{:?}`", region.kind());
         }
     }
@@ -632,10 +627,13 @@ fn encode_ty<'tcx>(
         }
 
         // Trait types
-        ty::Dynamic(predicates, region) => {
+        ty::Dynamic(predicates, region, kind) => {
             // u3dynI<element-type1[..element-typeN]>E, where <element-type> is <predicate>, as
             // vendor extended type.
-            let mut s = String::from("u3dynI");
+            let mut s = String::from(match kind {
+                ty::Dyn => "u3dynI",
+                ty::DynStar => "u7dynstarI",
+            });
             s.push_str(&encode_predicates(tcx, predicates, dict, options));
             s.push_str(&encode_region(tcx, *region, dict, options));
             s.push('E');
@@ -888,7 +886,7 @@ pub fn typeid_for_fnabi<'tcx>(
             typeid.push('v');
         }
     } else {
-        for n in 0..fn_abi.fixed_count {
+        for n in 0..fn_abi.fixed_count as usize {
             let ty = transform_ty(tcx, fn_abi.args[n].layout.ty, transform_ty_options);
             typeid.push_str(&encode_ty(tcx, ty, &mut dict, encode_ty_options));
         }
diff --git a/compiler/rustc_symbol_mangling/src/v0.rs b/compiler/rustc_symbol_mangling/src/v0.rs
index 71fa5a448..79d0ef69b 100644
--- a/compiler/rustc_symbol_mangling/src/v0.rs
+++ b/compiler/rustc_symbol_mangling/src/v0.rs
@@ -479,8 +479,12 @@ impl<'tcx> Printer<'tcx> for &mut SymbolMangler<'tcx> {
                 })?;
             }
 
-            ty::Dynamic(predicates, r) => {
-                self.push("D");
+            ty::Dynamic(predicates, r, kind) => {
+                self.push(match kind {
+                    ty::Dyn => "D",
+                    // FIXME(dyn-star): need to update v0 mangling docs
+                    ty::DynStar => "D*",
+                });
                 self = self.print_dyn_existential(predicates)?;
                 self = r.print(self)?;
             }
@@ -543,9 +547,9 @@ impl<'tcx> Printer<'tcx> for &mut SymbolMangler<'tcx> {
                         let name = cx.tcx.associated_item(projection.item_def_id).name;
                         cx.push("p");
                         cx.push_ident(name.as_str());
-                        cx = match projection.term {
-                            ty::Term::Ty(ty) => ty.print(cx),
-                            ty::Term::Const(c) => c.print(cx),
+                        cx = match projection.term.unpack() {
+                            ty::TermKind::Ty(ty) => ty.print(cx),
+                            ty::TermKind::Const(c) => c.print(cx),
                         }?;
                     }
                     ty::ExistentialPredicate::AutoTrait(def_id) => {