Rollup of 5 pull requests

compiler/rustc_codegen_llvm/src/back/lto.rs

@@ -573,7 +573,7 @@ pub(crate) fn run_pass_manager(
     module: &mut ModuleCodegen<ModuleLlvm>,
     thin: bool,
 ) -> Result<(), FatalError> {
-    let _timer = cgcx.prof.extra_verbose_generic_activity("LLVM_lto_optimize", &*module.name);
+    let _timer = cgcx.prof.verbose_generic_activity_with_arg("LLVM_lto_optimize", &*module.name);
     let config = cgcx.config(module.kind);
 
     // Now we have one massive module inside of llmod. Time to run the

compiler/rustc_codegen_ssa/src/back/write.rs

@@ -1637,7 +1637,7 @@ fn start_executing_work<B: ExtraBackendMethods>(
         llvm_start_time: &mut Option<VerboseTimingGuard<'a>>,
     ) {
         if config.time_module && llvm_start_time.is_none() {
-            *llvm_start_time = Some(prof.extra_verbose_generic_activity("LLVM_passes", "crate"));
+            *llvm_start_time = Some(prof.verbose_generic_activity("LLVM_passes"));
         }
     }
 }

compiler/rustc_data_structures/src/profiling.rs

@@ -158,30 +158,21 @@ pub struct SelfProfilerRef {
     // actually enabled.
     event_filter_mask: EventFilter,
 
-    // Print verbose generic activities to stdout
+    // Print verbose generic activities to stderr?
     print_verbose_generic_activities: bool,
-
-    // Print extra verbose generic activities to stdout
-    print_extra_verbose_generic_activities: bool,
 }
 
 impl SelfProfilerRef {
     pub fn new(
         profiler: Option<Arc<SelfProfiler>>,
         print_verbose_generic_activities: bool,
-        print_extra_verbose_generic_activities: bool,
     ) -> SelfProfilerRef {
         // If there is no SelfProfiler then the filter mask is set to NONE,
         // ensuring that nothing ever tries to actually access it.
         let event_filter_mask =
             profiler.as_ref().map_or(EventFilter::empty(), |p| p.event_filter_mask);
 
-        SelfProfilerRef {
-            profiler,
-            event_filter_mask,
-            print_verbose_generic_activities,
-            print_extra_verbose_generic_activities,
-        }
+        SelfProfilerRef { profiler, event_filter_mask, print_verbose_generic_activities }
     }
 
     /// This shim makes sure that calls only get executed if the filter mask
@@ -214,7 +205,7 @@ impl SelfProfilerRef {
     /// Start profiling a verbose generic activity. Profiling continues until the
     /// VerboseTimingGuard returned from this call is dropped. In addition to recording
     /// a measureme event, "verbose" generic activities also print a timing entry to
-    /// stdout if the compiler is invoked with -Ztime or -Ztime-passes.
+    /// stderr if the compiler is invoked with -Ztime-passes.
     pub fn verbose_generic_activity<'a>(
         &'a self,
         event_label: &'static str,
@@ -225,19 +216,16 @@ impl SelfProfilerRef {
         VerboseTimingGuard::start(message, self.generic_activity(event_label))
     }
 
-    /// Start profiling an extra verbose generic activity. Profiling continues until the
-    /// VerboseTimingGuard returned from this call is dropped. In addition to recording
-    /// a measureme event, "extra verbose" generic activities also print a timing entry to
-    /// stdout if the compiler is invoked with -Ztime-passes.
-    pub fn extra_verbose_generic_activity<'a, A>(
+    /// Like `verbose_generic_activity`, but with an extra arg.
+    pub fn verbose_generic_activity_with_arg<'a, A>(
         &'a self,
         event_label: &'static str,
         event_arg: A,
     ) -> VerboseTimingGuard<'a>
     where
         A: Borrow<str> + Into<String>,
     {
-        let message = if self.print_extra_verbose_generic_activities {
+        let message = if self.print_verbose_generic_activities {
             Some(format!("{}({})", event_label, event_arg.borrow()))
         } else {
             None
@@ -745,27 +733,9 @@ impl Drop for VerboseTimingGuard<'_> {
         if let Some((start_time, start_rss, ref message)) = self.start_and_message {
             let end_rss = get_resident_set_size();
             let dur = start_time.elapsed();
-
-            if should_print_passes(dur, start_rss, end_rss) {
-                print_time_passes_entry(&message, dur, start_rss, end_rss);
-            }
-        }
-    }
-}
-
-fn should_print_passes(dur: Duration, start_rss: Option<usize>, end_rss: Option<usize>) -> bool {
-    if dur.as_millis() > 5 {
-        return true;
-    }
-
-    if let (Some(start_rss), Some(end_rss)) = (start_rss, end_rss) {
-        let change_rss = end_rss.abs_diff(start_rss);
-        if change_rss > 0 {
-            return true;
+            print_time_passes_entry(&message, dur, start_rss, end_rss);
         }
     }
-
-    false
 }
 
 pub fn print_time_passes_entry(
@@ -774,6 +744,26 @@ pub fn print_time_passes_entry(
     start_rss: Option<usize>,
     end_rss: Option<usize>,
 ) {
+    // Print the pass if its duration is greater than 5 ms, or it changed the
+    // measured RSS.
+    let is_notable = || {
+        if dur.as_millis() > 5 {
+            return true;
+        }
+
+        if let (Some(start_rss), Some(end_rss)) = (start_rss, end_rss) {
+            let change_rss = end_rss.abs_diff(start_rss);
+            if change_rss > 0 {
+                return true;
+            }
+        }
+
+        false
+    };
+    if !is_notable() {
+        return;
+    }
+
     let rss_to_mb = |rss| (rss as f64 / 1_000_000.0).round() as usize;
     let rss_change_to_mb = |rss| (rss as f64 / 1_000_000.0).round() as i128;
 

compiler/rustc_driver/src/lib.rs

@@ -127,10 +127,13 @@ pub struct TimePassesCallbacks {
 }
 
 impl Callbacks for TimePassesCallbacks {
+    // JUSTIFICATION: the session doesn't exist at this point.
+    #[allow(rustc::bad_opt_access)]
     fn config(&mut self, config: &mut interface::Config) {
-        // If a --prints=... option has been given, we don't print the "total"
-        // time because it will mess up the --prints output. See #64339.
-        self.time_passes = config.opts.prints.is_empty() && config.opts.time_passes();
+        // If a --print=... option has been given, we don't print the "total"
+        // time because it will mess up the --print output. See #64339.
+        //
+        self.time_passes = config.opts.prints.is_empty() && config.opts.unstable_opts.time_passes;
         config.opts.trimmed_def_paths = TrimmedDefPaths::GoodPath;
     }
 }

compiler/rustc_error_messages/locales/en-US/lint.ftl

@@ -436,4 +436,5 @@ lint_check_name_deprecated = lint name `{$lint_name}` is deprecated and does not
 
 lint_opaque_hidden_inferred_bound = opaque type `{$ty}` does not satisfy its associated type bounds
     .specifically = this associated type bound is unsatisfied for `{$proj_ty}`
-    .suggestion = add this bound
+
+lint_opaque_hidden_inferred_bound_sugg = add this bound

compiler/rustc_hir_analysis/src/check/check.rs

@@ -2,7 +2,7 @@ use crate::check::intrinsicck::InlineAsmCtxt;
 
 use super::coercion::CoerceMany;
 use super::compare_method::check_type_bounds;
-use super::compare_method::{compare_const_impl, compare_impl_method, compare_ty_impl};
+use super::compare_method::{compare_impl_method, compare_ty_impl};
 use super::*;
 use rustc_attr as attr;
 use rustc_errors::{Applicability, ErrorGuaranteed, MultiSpan};
@@ -1048,14 +1048,10 @@ fn check_impl_items_against_trait<'tcx>(
         let impl_item_full = tcx.hir().impl_item(impl_item.id);
         match impl_item_full.kind {
             hir::ImplItemKind::Const(..) => {
-                // Find associated const definition.
-                compare_const_impl(
-                    tcx,
-                    &ty_impl_item,
-                    impl_item.span,
-                    &ty_trait_item,
-                    impl_trait_ref,
-                );
+                let _ = tcx.compare_assoc_const_impl_item_with_trait_item((
+                    impl_item.id.def_id.def_id,
+                    ty_impl_item.trait_item_def_id.unwrap(),
+                ));
             }
             hir::ImplItemKind::Fn(..) => {
                 let opt_trait_span = tcx.hir().span_if_local(ty_trait_item.def_id);

compiler/rustc_hir_analysis/src/check/compare_method.rs

@@ -1,6 +1,6 @@
 use super::potentially_plural_count;
 use crate::errors::LifetimesOrBoundsMismatchOnTrait;
-use hir::def_id::DefId;
+use hir::def_id::{DefId, LocalDefId};
 use rustc_data_structures::fx::{FxHashMap, FxHashSet};
 use rustc_errors::{pluralize, struct_span_err, Applicability, DiagnosticId, ErrorGuaranteed};
 use rustc_hir as hir;
@@ -1300,17 +1300,20 @@ fn compare_generic_param_kinds<'tcx>(
     Ok(())
 }
 
-pub(crate) fn compare_const_impl<'tcx>(
+/// Use `tcx.compare_assoc_const_impl_item_with_trait_item` instead
+pub(crate) fn raw_compare_const_impl<'tcx>(
     tcx: TyCtxt<'tcx>,
-    impl_c: &ty::AssocItem,
-    impl_c_span: Span,
-    trait_c: &ty::AssocItem,
-    impl_trait_ref: ty::TraitRef<'tcx>,
-) {
+    (impl_const_item_def, trait_const_item_def): (LocalDefId, DefId),
+) -> Result<(), ErrorGuaranteed> {
+    let impl_const_item = tcx.associated_item(impl_const_item_def);
+    let trait_const_item = tcx.associated_item(trait_const_item_def);
+    let impl_trait_ref = tcx.impl_trait_ref(impl_const_item.container_id(tcx)).unwrap();
     debug!("compare_const_impl(impl_trait_ref={:?})", impl_trait_ref);
 
+    let impl_c_span = tcx.def_span(impl_const_item_def.to_def_id());
+
     tcx.infer_ctxt().enter(|infcx| {
-        let param_env = tcx.param_env(impl_c.def_id);
+        let param_env = tcx.param_env(impl_const_item_def.to_def_id());
         let ocx = ObligationCtxt::new(&infcx);
 
         // The below is for the most part highly similar to the procedure
@@ -1322,18 +1325,18 @@ pub(crate) fn compare_const_impl<'tcx>(
 
         // Create a parameter environment that represents the implementation's
         // method.
-        let impl_c_hir_id = tcx.hir().local_def_id_to_hir_id(impl_c.def_id.expect_local());
+        let impl_c_hir_id = tcx.hir().local_def_id_to_hir_id(impl_const_item_def);
 
         // Compute placeholder form of impl and trait const tys.
-        let impl_ty = tcx.type_of(impl_c.def_id);
-        let trait_ty = tcx.bound_type_of(trait_c.def_id).subst(tcx, trait_to_impl_substs);
+        let impl_ty = tcx.type_of(impl_const_item_def.to_def_id());
+        let trait_ty = tcx.bound_type_of(trait_const_item_def).subst(tcx, trait_to_impl_substs);
         let mut cause = ObligationCause::new(
             impl_c_span,
             impl_c_hir_id,
             ObligationCauseCode::CompareImplItemObligation {
-                impl_item_def_id: impl_c.def_id.expect_local(),
-                trait_item_def_id: trait_c.def_id,
-                kind: impl_c.kind,
+                impl_item_def_id: impl_const_item_def,
+                trait_item_def_id: trait_const_item_def,
+                kind: impl_const_item.kind,
             },
         );
 
@@ -1358,24 +1361,24 @@ pub(crate) fn compare_const_impl<'tcx>(
             );
 
             // Locate the Span containing just the type of the offending impl
-            match tcx.hir().expect_impl_item(impl_c.def_id.expect_local()).kind {
+            match tcx.hir().expect_impl_item(impl_const_item_def).kind {
                 ImplItemKind::Const(ref ty, _) => cause.span = ty.span,
-                _ => bug!("{:?} is not a impl const", impl_c),
+                _ => bug!("{:?} is not a impl const", impl_const_item),
             }
 
             let mut diag = struct_span_err!(
                 tcx.sess,
                 cause.span,
                 E0326,
                 "implemented const `{}` has an incompatible type for trait",
-                trait_c.name
+                trait_const_item.name
             );
 
-            let trait_c_span = trait_c.def_id.as_local().map(|trait_c_def_id| {
+            let trait_c_span = trait_const_item_def.as_local().map(|trait_c_def_id| {
                 // Add a label to the Span containing just the type of the const
                 match tcx.hir().expect_trait_item(trait_c_def_id).kind {
                     TraitItemKind::Const(ref ty, _) => ty.span,
-                    _ => bug!("{:?} is not a trait const", trait_c),
+                    _ => bug!("{:?} is not a trait const", trait_const_item),
                 }
             });
 
@@ -1391,23 +1394,22 @@ pub(crate) fn compare_const_impl<'tcx>(
                 false,
                 false,
             );
-            diag.emit();
-        }
+            return Err(diag.emit());
+        };
 
         // Check that all obligations are satisfied by the implementation's
         // version.
         let errors = ocx.select_all_or_error();
         if !errors.is_empty() {
-            infcx.report_fulfillment_errors(&errors, None, false);
-            return;
+            return Err(infcx.report_fulfillment_errors(&errors, None, false));
         }
 
+        // FIXME return `ErrorReported` if region obligations error?
         let outlives_environment = OutlivesEnvironment::new(param_env);
-        infcx.check_region_obligations_and_report_errors(
-            impl_c.def_id.expect_local(),
-            &outlives_environment,
-        );
-    });
+        infcx
+            .check_region_obligations_and_report_errors(impl_const_item_def, &outlives_environment);
+        Ok(())
+    })
 }
 
 pub(crate) fn compare_ty_impl<'tcx>(

compiler/rustc_hir_analysis/src/check/mod.rs

@@ -251,6 +251,7 @@ pub fn provide(providers: &mut Providers) {
         check_mod_item_types,
         region_scope_tree,
         collect_trait_impl_trait_tys,
+        compare_assoc_const_impl_item_with_trait_item: compare_method::raw_compare_const_impl,
         ..*providers
     };
 }

compiler/rustc_interface/src/tests.rs

@@ -692,7 +692,6 @@ fn test_unstable_options_tracking_hash() {
     untracked!(span_free_formats, true);
     untracked!(temps_dir, Some(String::from("abc")));
     untracked!(threads, 99);
-    untracked!(time, true);
     untracked!(time_llvm_passes, true);
     untracked!(time_passes, true);
     untracked!(trace_macros, true);

compiler/rustc_lint/src/early.rs

@@ -409,7 +409,7 @@ pub fn check_ast_node<'a>(
     if sess.opts.unstable_opts.no_interleave_lints {
         for (i, pass) in passes.iter_mut().enumerate() {
             buffered =
-                sess.prof.extra_verbose_generic_activity("run_lint", pass.name()).run(|| {
+                sess.prof.verbose_generic_activity_with_arg("run_lint", pass.name()).run(|| {
                     early_lint_node(
                         sess,
                         !pre_expansion && i == 0,

compiler/rustc_lint/src/late.rs

@@ -425,20 +425,23 @@ fn late_lint_crate<'tcx, T: LateLintPass<'tcx>>(tcx: TyCtxt<'tcx>, builtin_lints
         late_lint_pass_crate(tcx, builtin_lints);
     } else {
         for pass in &mut passes {
-            tcx.sess.prof.extra_verbose_generic_activity("run_late_lint", pass.name()).run(|| {
-                late_lint_pass_crate(tcx, LateLintPassObjects { lints: slice::from_mut(pass) });
-            });
+            tcx.sess.prof.verbose_generic_activity_with_arg("run_late_lint", pass.name()).run(
+                || {
+                    late_lint_pass_crate(tcx, LateLintPassObjects { lints: slice::from_mut(pass) });
+                },
+            );
         }
 
         let mut passes: Vec<_> =
             unerased_lint_store(tcx).late_module_passes.iter().map(|pass| (pass)(tcx)).collect();
 
         for pass in &mut passes {
-            tcx.sess.prof.extra_verbose_generic_activity("run_late_module_lint", pass.name()).run(
-                || {
+            tcx.sess
+                .prof
+                .verbose_generic_activity_with_arg("run_late_module_lint", pass.name())
+                .run(|| {
                     late_lint_pass_crate(tcx, LateLintPassObjects { lints: slice::from_mut(pass) });
-                },
-            );
+                });
         }
     }
 }