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-rw-r--r--compiler/rustc_codegen_cranelift/src/main_shim.rs8
-rw-r--r--compiler/rustc_codegen_gcc/src/context.rs6
-rw-r--r--compiler/rustc_codegen_llvm/src/context.rs11
-rw-r--r--compiler/rustc_codegen_ssa/src/base.rs16
-rw-r--r--compiler/rustc_const_eval/src/const_eval/eval_queries.rs2
-rw-r--r--compiler/rustc_const_eval/src/const_eval/machine.rs6
-rw-r--r--compiler/rustc_feature/src/builtin_attrs.rs2
-rw-r--r--compiler/rustc_middle/src/mir/consts.rs16
-rw-r--r--compiler/rustc_middle/src/mir/pretty.rs5
-rw-r--r--compiler/rustc_monomorphize/src/collector.rs6
-rw-r--r--compiler/rustc_passes/src/entry.rs8
-rw-r--r--compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs5
12 files changed, 46 insertions, 45 deletions
diff --git a/compiler/rustc_codegen_cranelift/src/main_shim.rs b/compiler/rustc_codegen_cranelift/src/main_shim.rs
index 6535c3a367b..1abfded8b11 100644
--- a/compiler/rustc_codegen_cranelift/src/main_shim.rs
+++ b/compiler/rustc_codegen_cranelift/src/main_shim.rs
@@ -115,14 +115,12 @@ pub(crate) fn maybe_create_entry_wrapper(
                         termination_trait,
                     )
                     .unwrap();
-                let report = Instance::resolve(
+                let report = Instance::expect_resolve(
                     tcx,
                     ParamEnv::reveal_all(),
                     report.def_id,
                     tcx.mk_args(&[GenericArg::from(main_ret_ty)]),
                 )
-                .unwrap()
-                .unwrap()
                 .polymorphize(tcx);
 
                 let report_name = tcx.symbol_name(report).name;
@@ -142,14 +140,12 @@ pub(crate) fn maybe_create_entry_wrapper(
                 }
             } else if is_main_fn {
                 let start_def_id = tcx.require_lang_item(LangItem::Start, None);
-                let start_instance = Instance::resolve(
+                let start_instance = Instance::expect_resolve(
                     tcx,
                     ParamEnv::reveal_all(),
                     start_def_id,
                     tcx.mk_args(&[main_ret_ty.into()]),
                 )
-                .unwrap()
-                .unwrap()
                 .polymorphize(tcx);
                 let start_func_id = import_function(tcx, m, start_instance);
 
diff --git a/compiler/rustc_codegen_gcc/src/context.rs b/compiler/rustc_codegen_gcc/src/context.rs
index bc3d62f2679..8f643c7db72 100644
--- a/compiler/rustc_codegen_gcc/src/context.rs
+++ b/compiler/rustc_codegen_gcc/src/context.rs
@@ -473,14 +473,12 @@ impl<'gcc, 'tcx> MiscMethods<'tcx> for CodegenCx<'gcc, 'tcx> {
         let tcx = self.tcx;
         let func = match tcx.lang_items().eh_personality() {
             Some(def_id) if !wants_msvc_seh(self.sess()) => {
-                let instance = ty::Instance::resolve(
+                let instance = ty::Instance::expect_resolve(
                     tcx,
                     ty::ParamEnv::reveal_all(),
                     def_id,
                     ty::List::empty(),
-                )
-                .unwrap()
-                .unwrap();
+                );
 
                 let symbol_name = tcx.symbol_name(instance).name;
                 let fn_abi = self.fn_abi_of_instance(instance, ty::List::empty());
diff --git a/compiler/rustc_codegen_llvm/src/context.rs b/compiler/rustc_codegen_llvm/src/context.rs
index d1f32087908..37c690a0128 100644
--- a/compiler/rustc_codegen_llvm/src/context.rs
+++ b/compiler/rustc_codegen_llvm/src/context.rs
@@ -558,11 +558,12 @@ impl<'ll, 'tcx> MiscMethods<'tcx> for CodegenCx<'ll, 'tcx> {
 
         let tcx = self.tcx;
         let llfn = match tcx.lang_items().eh_personality() {
-            Some(def_id) if name.is_none() => self.get_fn_addr(
-                ty::Instance::resolve(tcx, ty::ParamEnv::reveal_all(), def_id, ty::List::empty())
-                    .unwrap()
-                    .unwrap(),
-            ),
+            Some(def_id) if name.is_none() => self.get_fn_addr(ty::Instance::expect_resolve(
+                tcx,
+                ty::ParamEnv::reveal_all(),
+                def_id,
+                ty::List::empty(),
+            )),
             _ => {
                 let name = name.unwrap_or("rust_eh_personality");
                 if let Some(llfn) = self.get_declared_value(name) {
diff --git a/compiler/rustc_codegen_ssa/src/base.rs b/compiler/rustc_codegen_ssa/src/base.rs
index 1a3c70cedd0..5cba14a5dda 100644
--- a/compiler/rustc_codegen_ssa/src/base.rs
+++ b/compiler/rustc_codegen_ssa/src/base.rs
@@ -467,16 +467,12 @@ pub fn maybe_create_entry_wrapper<'a, 'tcx, Bx: BuilderMethods<'a, 'tcx>>(
 
         let (start_fn, start_ty, args) = if let EntryFnType::Main { sigpipe } = entry_type {
             let start_def_id = cx.tcx().require_lang_item(LangItem::Start, None);
-            let start_fn = cx.get_fn_addr(
-                ty::Instance::resolve(
-                    cx.tcx(),
-                    ty::ParamEnv::reveal_all(),
-                    start_def_id,
-                    cx.tcx().mk_args(&[main_ret_ty.into()]),
-                )
-                .unwrap()
-                .unwrap(),
-            );
+            let start_fn = cx.get_fn_addr(ty::Instance::expect_resolve(
+                cx.tcx(),
+                ty::ParamEnv::reveal_all(),
+                start_def_id,
+                cx.tcx().mk_args(&[main_ret_ty.into()]),
+            ));
 
             let i8_ty = cx.type_i8();
             let arg_sigpipe = bx.const_u8(sigpipe);
diff --git a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
index 9e4e7911c3a..8ee3a0cc967 100644
--- a/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
+++ b/compiler/rustc_const_eval/src/const_eval/eval_queries.rs
@@ -67,7 +67,7 @@ fn eval_body_using_ecx<'mir, 'tcx>(
     trace!(
         "eval_body_using_ecx: pushing stack frame for global: {}{}",
         with_no_trimmed_paths!(ecx.tcx.def_path_str(cid.instance.def_id())),
-        cid.promoted.map_or_else(String::new, |p| format!("::promoted[{p:?}]"))
+        cid.promoted.map_or_else(String::new, |p| format!("::{p:?}"))
     );
 
     ecx.push_stack_frame(
diff --git a/compiler/rustc_const_eval/src/const_eval/machine.rs b/compiler/rustc_const_eval/src/const_eval/machine.rs
index 6736fc749c0..f104b836716 100644
--- a/compiler/rustc_const_eval/src/const_eval/machine.rs
+++ b/compiler/rustc_const_eval/src/const_eval/machine.rs
@@ -243,14 +243,12 @@ impl<'mir, 'tcx: 'mir> CompileTimeEvalContext<'mir, 'tcx> {
         } else if Some(def_id) == self.tcx.lang_items().panic_fmt() {
             // For panic_fmt, call const_panic_fmt instead.
             let const_def_id = self.tcx.require_lang_item(LangItem::ConstPanicFmt, None);
-            let new_instance = ty::Instance::resolve(
+            let new_instance = ty::Instance::expect_resolve(
                 *self.tcx,
                 ty::ParamEnv::reveal_all(),
                 const_def_id,
                 instance.args,
-            )
-            .unwrap()
-            .unwrap();
+            );
 
             return Ok(Some(new_instance));
         } else if Some(def_id) == self.tcx.lang_items().align_offset_fn() {
diff --git a/compiler/rustc_feature/src/builtin_attrs.rs b/compiler/rustc_feature/src/builtin_attrs.rs
index 0d51e1e46e0..38848b22cb2 100644
--- a/compiler/rustc_feature/src/builtin_attrs.rs
+++ b/compiler/rustc_feature/src/builtin_attrs.rs
@@ -389,7 +389,7 @@ pub const BUILTIN_ATTRIBUTES: &[BuiltinAttribute] = &[
     ),
 
     // Entry point:
-    gated!(unix_sigpipe, Normal, template!(Word, NameValueStr: "inherit|sig_ign|sig_dfl"), ErrorFollowing, experimental!(unix_sigpipe)),
+    gated!(unix_sigpipe, Normal, template!(NameValueStr: "inherit|sig_ign|sig_dfl"), ErrorFollowing, experimental!(unix_sigpipe)),
     ungated!(start, Normal, template!(Word), WarnFollowing, @only_local: true),
     ungated!(no_start, CrateLevel, template!(Word), WarnFollowing, @only_local: true),
     ungated!(no_main, CrateLevel, template!(Word), WarnFollowing, @only_local: true),
diff --git a/compiler/rustc_middle/src/mir/consts.rs b/compiler/rustc_middle/src/mir/consts.rs
index 9731d86fb17..5feee3c3ba1 100644
--- a/compiler/rustc_middle/src/mir/consts.rs
+++ b/compiler/rustc_middle/src/mir/consts.rs
@@ -7,6 +7,7 @@ use rustc_target::abi::{HasDataLayout, Size};
 
 use crate::mir::interpret::{alloc_range, AllocId, ConstAllocation, ErrorHandled, Scalar};
 use crate::mir::{pretty_print_const_value, Promoted};
+use crate::ty::print::with_no_trimmed_paths;
 use crate::ty::GenericArgsRef;
 use crate::ty::ScalarInt;
 use crate::ty::{self, print::pretty_print_const, Ty, TyCtxt};
@@ -489,9 +490,18 @@ impl<'tcx> Display for Const<'tcx> {
             Const::Ty(c) => pretty_print_const(c, fmt, true),
             Const::Val(val, ty) => pretty_print_const_value(val, ty, fmt),
             // FIXME(valtrees): Correctly print mir constants.
-            Const::Unevaluated(..) => {
-                fmt.write_str("_")?;
-                Ok(())
+            Const::Unevaluated(c, _ty) => {
+                ty::tls::with(move |tcx| {
+                    let c = tcx.lift(c).unwrap();
+                    // Matches `GlobalId` printing.
+                    let instance =
+                        with_no_trimmed_paths!(tcx.def_path_str_with_args(c.def, c.args));
+                    write!(fmt, "{instance}")?;
+                    if let Some(promoted) = c.promoted {
+                        write!(fmt, "::{promoted:?}")?;
+                    }
+                    Ok(())
+                })
             }
         }
     }
diff --git a/compiler/rustc_middle/src/mir/pretty.rs b/compiler/rustc_middle/src/mir/pretty.rs
index 18069547a7e..090b84ff08f 100644
--- a/compiler/rustc_middle/src/mir/pretty.rs
+++ b/compiler/rustc_middle/src/mir/pretty.rs
@@ -496,7 +496,7 @@ fn write_mir_sig(tcx: TyCtxt<'_>, body: &Body<'_>, w: &mut dyn io::Write) -> io:
         _ => tcx.is_closure_like(def_id),
     };
     match (kind, body.source.promoted) {
-        (_, Some(i)) => write!(w, "{i:?} in ")?,
+        (_, Some(_)) => write!(w, "const ")?, // promoteds are the closest to consts
         (DefKind::Const | DefKind::AssocConst, _) => write!(w, "const ")?,
         (DefKind::Static(hir::Mutability::Not), _) => write!(w, "static ")?,
         (DefKind::Static(hir::Mutability::Mut), _) => write!(w, "static mut ")?,
@@ -509,6 +509,9 @@ fn write_mir_sig(tcx: TyCtxt<'_>, body: &Body<'_>, w: &mut dyn io::Write) -> io:
         // see notes on #41697 elsewhere
         write!(w, "{}", tcx.def_path_str(def_id))?
     }
+    if let Some(p) = body.source.promoted {
+        write!(w, "::{p:?}")?;
+    }
 
     if body.source.promoted.is_none() && is_function {
         write!(w, "(")?;
diff --git a/compiler/rustc_monomorphize/src/collector.rs b/compiler/rustc_monomorphize/src/collector.rs
index 32f823a5ac6..a18448eabf3 100644
--- a/compiler/rustc_monomorphize/src/collector.rs
+++ b/compiler/rustc_monomorphize/src/collector.rs
@@ -1339,14 +1339,12 @@ impl<'v> RootCollector<'_, 'v> {
             main_ret_ty.no_bound_vars().unwrap(),
         );
 
-        let start_instance = Instance::resolve(
+        let start_instance = Instance::expect_resolve(
             self.tcx,
             ty::ParamEnv::reveal_all(),
             start_def_id,
             self.tcx.mk_args(&[main_ret_ty.into()]),
-        )
-        .unwrap()
-        .unwrap();
+        );
 
         self.output.push(create_fn_mono_item(self.tcx, start_instance, DUMMY_SP));
     }
diff --git a/compiler/rustc_passes/src/entry.rs b/compiler/rustc_passes/src/entry.rs
index 5246389248e..0bab13037e4 100644
--- a/compiler/rustc_passes/src/entry.rs
+++ b/compiler/rustc_passes/src/entry.rs
@@ -156,13 +156,13 @@ fn sigpipe(tcx: TyCtxt<'_>, def_id: DefId) -> u8 {
             (Some(sym::inherit), None) => sigpipe::INHERIT,
             (Some(sym::sig_ign), None) => sigpipe::SIG_IGN,
             (Some(sym::sig_dfl), None) => sigpipe::SIG_DFL,
-            (_, Some(_)) => {
-                // Keep going so that `fn emit_malformed_attribute()` can print
-                // an excellent error message
+            (Some(_), None) => {
+                tcx.dcx().emit_err(UnixSigpipeValues { span: attr.span });
                 sigpipe::DEFAULT
             }
             _ => {
-                tcx.dcx().emit_err(UnixSigpipeValues { span: attr.span });
+                // Keep going so that `fn emit_malformed_attribute()` can print
+                // an excellent error message
                 sigpipe::DEFAULT
             }
         }
diff --git a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs
index ed839d14dc7..a45c1c34410 100644
--- a/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs
+++ b/compiler/rustc_trait_selection/src/solve/normalizes_to/mod.rs
@@ -542,13 +542,14 @@ impl<'tcx> assembly::GoalKind<'tcx> for NormalizesTo<'tcx> {
                 | ty::Coroutine(..)
                 | ty::CoroutineWitness(..)
                 | ty::Never
-                | ty::Foreign(..) => tcx.types.unit,
+                | ty::Foreign(..)
+                | ty::Dynamic(_, _, ty::DynStar) => tcx.types.unit,
 
                 ty::Error(e) => Ty::new_error(tcx, *e),
 
                 ty::Str | ty::Slice(_) => tcx.types.usize,
 
-                ty::Dynamic(_, _, _) => {
+                ty::Dynamic(_, _, ty::Dyn) => {
                     let dyn_metadata = tcx.require_lang_item(LangItem::DynMetadata, None);
                     tcx.type_of(dyn_metadata)
                         .instantiate(tcx, &[ty::GenericArg::from(goal.predicate.self_ty())])
generated by cgit-pink 1.4.1-3-g733a5 (git 2.37.1) at 2026-01-13 09:56:08 +0000