Merging upstream version 1.68.2+dfsg1.

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

9 files changed, 178 insertions, 198 deletions

diff --git a/compiler/rustc_interface/Cargo.toml b/compiler/rustc_interface/Cargo.toml
index e67dec31d..f817c5bc1 100644
--- a/compiler/rustc_interface/Cargo.toml
+++ b/compiler/rustc_interface/Cargo.toml
@@ -45,6 +45,7 @@ rustc_plugin_impl = { path = "../rustc_plugin_impl" }
 rustc_privacy = { path = "../rustc_privacy" }
 rustc_query_impl = { path = "../rustc_query_impl" }
 rustc_resolve = { path = "../rustc_resolve" }
+rustc_target = { path = "../rustc_target" }
 rustc_trait_selection = { path = "../rustc_trait_selection" }
 rustc_ty_utils = { path = "../rustc_ty_utils" }
 
diff --git a/compiler/rustc_interface/src/callbacks.rs b/compiler/rustc_interface/src/callbacks.rs
index 76442de69..ee0552d77 100644
--- a/compiler/rustc_interface/src/callbacks.rs
+++ b/compiler/rustc_interface/src/callbacks.rs
@@ -10,6 +10,7 @@
 //! origin crate when the `TyCtxt` is not present in TLS.
 
 use rustc_errors::{Diagnostic, TRACK_DIAGNOSTICS};
+use rustc_middle::dep_graph::TaskDepsRef;
 use rustc_middle::ty::tls;
 use std::fmt;
 
@@ -26,14 +27,22 @@ fn track_span_parent(def_id: rustc_span::def_id::LocalDefId) {
 /// This is a callback from `rustc_ast` as it cannot access the implicit state
 /// in `rustc_middle` otherwise. It is used when diagnostic messages are
 /// emitted and stores them in the current query, if there is one.
-fn track_diagnostic(diagnostic: &Diagnostic) {
+fn track_diagnostic(diagnostic: &mut Diagnostic, f: &mut dyn FnMut(&mut Diagnostic)) {
     tls::with_context_opt(|icx| {
         if let Some(icx) = icx {
             if let Some(diagnostics) = icx.diagnostics {
                 let mut diagnostics = diagnostics.lock();
                 diagnostics.extend(Some(diagnostic.clone()));
+                std::mem::drop(diagnostics);
             }
+
+            // Diagnostics are tracked, we can ignore the dependency.
+            let icx = tls::ImplicitCtxt { task_deps: TaskDepsRef::Ignore, ..icx.clone() };
+            return tls::enter_context(&icx, move |_| (*f)(diagnostic));
         }
+
+        // In any other case, invoke diagnostics anyway.
+        (*f)(diagnostic);
     })
 }
 
@@ -55,5 +64,5 @@ fn def_id_debug(def_id: rustc_hir::def_id::DefId, f: &mut fmt::Formatter<'_>) ->
 pub fn setup_callbacks() {
     rustc_span::SPAN_TRACK.swap(&(track_span_parent as fn(_)));
     rustc_hir::def_id::DEF_ID_DEBUG.swap(&(def_id_debug as fn(_, &mut fmt::Formatter<'_>) -> _));
-    TRACK_DIAGNOSTICS.swap(&(track_diagnostic as fn(&_)));
+    TRACK_DIAGNOSTICS.swap(&(track_diagnostic as _));
 }
diff --git a/compiler/rustc_interface/src/errors.rs b/compiler/rustc_interface/src/errors.rs
index f5135c78d..15d7e977b 100644
--- a/compiler/rustc_interface/src/errors.rs
+++ b/compiler/rustc_interface/src/errors.rs
@@ -87,3 +87,7 @@ pub struct FailedWritingFile<'a> {
     pub path: &'a Path,
     pub error: io::Error,
 }
+
+#[derive(Diagnostic)]
+#[diag(interface_proc_macro_crate_panic_abort)]
+pub struct ProcMacroCratePanicAbort;
diff --git a/compiler/rustc_interface/src/interface.rs b/compiler/rustc_interface/src/interface.rs
index 4c22ab68a..7a5e45ada 100644
--- a/compiler/rustc_interface/src/interface.rs
+++ b/compiler/rustc_interface/src/interface.rs
@@ -14,10 +14,10 @@ use rustc_middle::ty;
 use rustc_parse::maybe_new_parser_from_source_str;
 use rustc_query_impl::QueryCtxt;
 use rustc_session::config::{self, CheckCfg, ErrorOutputType, Input, OutputFilenames};
-use rustc_session::early_error;
 use rustc_session::lint;
 use rustc_session::parse::{CrateConfig, ParseSess};
 use rustc_session::Session;
+use rustc_session::{early_error, CompilerIO};
 use rustc_span::source_map::{FileLoader, FileName};
 use rustc_span::symbol::sym;
 use std::path::PathBuf;
@@ -35,11 +35,6 @@ pub type Result<T> = result::Result<T, ErrorGuaranteed>;
 pub struct Compiler {
     pub(crate) sess: Lrc<Session>,
     codegen_backend: Lrc<Box<dyn CodegenBackend>>,
-    pub(crate) input: Input,
-    pub(crate) input_path: Option<PathBuf>,
-    pub(crate) output_dir: Option<PathBuf>,
-    pub(crate) output_file: Option<PathBuf>,
-    pub(crate) temps_dir: Option<PathBuf>,
     pub(crate) register_lints: Option<Box<dyn Fn(&Session, &mut LintStore) + Send + Sync>>,
     pub(crate) override_queries:
         Option<fn(&Session, &mut ty::query::Providers, &mut ty::query::ExternProviders)>,
@@ -52,18 +47,6 @@ impl Compiler {
     pub fn codegen_backend(&self) -> &Lrc<Box<dyn CodegenBackend>> {
         &self.codegen_backend
     }
-    pub fn input(&self) -> &Input {
-        &self.input
-    }
-    pub fn output_dir(&self) -> &Option<PathBuf> {
-        &self.output_dir
-    }
-    pub fn output_file(&self) -> &Option<PathBuf> {
-        &self.output_file
-    }
-    pub fn temps_dir(&self) -> &Option<PathBuf> {
-        &self.temps_dir
-    }
     pub fn register_lints(&self) -> &Option<Box<dyn Fn(&Session, &mut LintStore) + Send + Sync>> {
         &self.register_lints
     }
@@ -72,14 +55,7 @@ impl Compiler {
         sess: &Session,
         attrs: &[ast::Attribute],
     ) -> OutputFilenames {
-        util::build_output_filenames(
-            &self.input,
-            &self.output_dir,
-            &self.output_file,
-            &self.temps_dir,
-            attrs,
-            sess,
-        )
+        util::build_output_filenames(attrs, sess)
     }
 }
 
@@ -90,8 +66,7 @@ pub fn parse_cfgspecs(cfgspecs: Vec<String>) -> FxHashSet<(String, Option<String
             .into_iter()
             .map(|s| {
                 let sess = ParseSess::with_silent_emitter(Some(format!(
-                    "this error occurred on the command line: `--cfg={}`",
-                    s
+                    "this error occurred on the command line: `--cfg={s}`"
                 )));
                 let filename = FileName::cfg_spec_source_code(&s);
 
@@ -150,8 +125,7 @@ pub fn parse_check_cfg(specs: Vec<String>) -> CheckCfg {
 
         'specs: for s in specs {
             let sess = ParseSess::with_silent_emitter(Some(format!(
-                "this error occurred on the command line: `--check-cfg={}`",
-                s
+                "this error occurred on the command line: `--check-cfg={s}`"
             )));
             let filename = FileName::cfg_spec_source_code(&s);
 
@@ -246,7 +220,6 @@ pub struct Config {
     pub crate_check_cfg: CheckCfg,
 
     pub input: Input,
-    pub input_path: Option<PathBuf>,
     pub output_dir: Option<PathBuf>,
     pub output_file: Option<PathBuf>,
     pub file_loader: Option<Box<dyn FileLoader + Send + Sync>>,
@@ -289,12 +262,19 @@ pub fn run_compiler<R: Send>(config: Config, f: impl FnOnce(&Compiler) -> R + Se
             crate::callbacks::setup_callbacks();
 
             let registry = &config.registry;
+
+            let temps_dir = config.opts.unstable_opts.temps_dir.as_deref().map(PathBuf::from);
             let (mut sess, codegen_backend) = util::create_session(
                 config.opts,
                 config.crate_cfg,
                 config.crate_check_cfg,
                 config.file_loader,
-                config.input_path.clone(),
+                CompilerIO {
+                    input: config.input,
+                    output_dir: config.output_dir,
+                    output_file: config.output_file,
+                    temps_dir,
+                },
                 config.lint_caps,
                 config.make_codegen_backend,
                 registry.clone(),
@@ -304,16 +284,9 @@ pub fn run_compiler<R: Send>(config: Config, f: impl FnOnce(&Compiler) -> R + Se
                 parse_sess_created(&mut sess.parse_sess);
             }
 
-            let temps_dir = sess.opts.unstable_opts.temps_dir.as_deref().map(PathBuf::from);
-
             let compiler = Compiler {
                 sess: Lrc::new(sess),
                 codegen_backend: Lrc::new(codegen_backend),
-                input: config.input,
-                input_path: config.input_path,
-                output_dir: config.output_dir,
-                output_file: config.output_file,
-                temps_dir,
                 register_lints: config.register_lints,
                 override_queries: config.override_queries,
             };
diff --git a/compiler/rustc_interface/src/lib.rs b/compiler/rustc_interface/src/lib.rs
index 542b638bb..82bc4770b 100644
--- a/compiler/rustc_interface/src/lib.rs
+++ b/compiler/rustc_interface/src/lib.rs
@@ -3,6 +3,7 @@
 #![feature(internal_output_capture)]
 #![feature(thread_spawn_unchecked)]
 #![feature(once_cell)]
+#![feature(try_blocks)]
 #![recursion_limit = "256"]
 #![allow(rustc::potential_query_instability)]
 #![deny(rustc::untranslatable_diagnostic)]
diff --git a/compiler/rustc_interface/src/passes.rs b/compiler/rustc_interface/src/passes.rs
index f808c1438..379a76528 100644
--- a/compiler/rustc_interface/src/passes.rs
+++ b/compiler/rustc_interface/src/passes.rs
@@ -1,7 +1,8 @@
 use crate::errors::{
     CantEmitMIR, EmojiIdentifier, ErrorWritingDependencies, FerrisIdentifier,
     GeneratedFileConflictsWithDirectory, InputFileWouldBeOverWritten, MixedBinCrate,
-    MixedProcMacroCrate, OutDirError, ProcMacroDocWithoutArg, TempsDirError,
+    MixedProcMacroCrate, OutDirError, ProcMacroCratePanicAbort, ProcMacroDocWithoutArg,
+    TempsDirError,
 };
 use crate::interface::{Compiler, Result};
 use crate::proc_macro_decls;
@@ -12,7 +13,6 @@ use rustc_ast::{self as ast, visit};
 use rustc_borrowck as mir_borrowck;
 use rustc_codegen_ssa::traits::CodegenBackend;
 use rustc_data_structures::parallel;
-use rustc_data_structures::steal::Steal;
 use rustc_data_structures::sync::{Lrc, OnceCell, WorkerLocal};
 use rustc_errors::{ErrorGuaranteed, PResult};
 use rustc_expand::base::{ExtCtxt, LintStoreExpand, ResolverExpand};
@@ -30,12 +30,13 @@ use rustc_plugin_impl as plugin;
 use rustc_query_impl::{OnDiskCache, Queries as TcxQueries};
 use rustc_resolve::{Resolver, ResolverArenas};
 use rustc_session::config::{CrateType, Input, OutputFilenames, OutputType};
-use rustc_session::cstore::{MetadataLoader, MetadataLoaderDyn};
+use rustc_session::cstore::{MetadataLoader, MetadataLoaderDyn, Untracked};
 use rustc_session::output::filename_for_input;
 use rustc_session::search_paths::PathKind;
 use rustc_session::{Limit, Session};
 use rustc_span::symbol::{sym, Symbol};
 use rustc_span::FileName;
+use rustc_target::spec::PanicStrategy;
 use rustc_trait_selection::traits;
 
 use std::any::Any;
@@ -49,8 +50,8 @@ use std::rc::Rc;
 use std::sync::LazyLock;
 use std::{env, fs, iter};
 
-pub fn parse<'a>(sess: &'a Session, input: &Input) -> PResult<'a, ast::Crate> {
-    let krate = sess.time("parse_crate", || match input {
+pub fn parse<'a>(sess: &'a Session) -> PResult<'a, ast::Crate> {
+    let krate = sess.time("parse_crate", || match &sess.io.input {
         Input::File(file) => parse_crate_from_file(file, &sess.parse_sess),
         Input::Str { input, name } => {
             parse_crate_from_source_str(name.clone(), input.clone(), &sess.parse_sess)
@@ -380,6 +381,10 @@ pub fn configure_and_expand(
         }
     }
 
+    if is_proc_macro_crate && sess.panic_strategy() == PanicStrategy::Abort {
+        sess.emit_warning(ProcMacroCratePanicAbort);
+    }
+
     // For backwards compatibility, we don't try to run proc macro injection
     // if rustdoc is run on a proc macro crate without '--crate-type proc-macro' being
     // specified. This should only affect users who manually invoke 'rustdoc', as
@@ -553,7 +558,7 @@ fn write_out_deps(
     }
     let deps_filename = outputs.path(OutputType::DepInfo);
 
-    let result = (|| -> io::Result<()> {
+    let result: io::Result<()> = try {
         // Build a list of files used to compile the output and
         // write Makefile-compatible dependency rules
         let mut files: Vec<String> = sess
@@ -620,7 +625,7 @@ fn write_out_deps(
         // prevents `make` from spitting out an error if a file is later
         // deleted. For more info see #28735
         for path in files {
-            writeln!(file, "{}:", path)?;
+            writeln!(file, "{path}:")?;
         }
 
         // Emit special comments with information about accessed environment variables.
@@ -633,16 +638,14 @@ fn write_out_deps(
             envs.sort_unstable();
             writeln!(file)?;
             for (k, v) in envs {
-                write!(file, "# env-dep:{}", k)?;
+                write!(file, "# env-dep:{k}")?;
                 if let Some(v) = v {
-                    write!(file, "={}", v)?;
+                    write!(file, "={v}")?;
                 }
                 writeln!(file)?;
             }
         }
-
-        Ok(())
-    })();
+    };
 
     match result {
         Ok(_) => {
@@ -660,7 +663,6 @@ fn write_out_deps(
 
 pub fn prepare_outputs(
     sess: &Session,
-    compiler: &Compiler,
     krate: &ast::Crate,
     boxed_resolver: &RefCell<BoxedResolver>,
     crate_name: Symbol,
@@ -668,20 +670,13 @@ pub fn prepare_outputs(
     let _timer = sess.timer("prepare_outputs");
 
     // FIXME: rustdoc passes &[] instead of &krate.attrs here
-    let outputs = util::build_output_filenames(
-        &compiler.input,
-        &compiler.output_dir,
-        &compiler.output_file,
-        &compiler.temps_dir,
-        &krate.attrs,
-        sess,
-    );
+    let outputs = util::build_output_filenames(&krate.attrs, sess);
 
     let output_paths =
-        generated_output_paths(sess, &outputs, compiler.output_file.is_some(), crate_name);
+        generated_output_paths(sess, &outputs, sess.io.output_file.is_some(), crate_name);
 
     // Ensure the source file isn't accidentally overwritten during compilation.
-    if let Some(ref input_path) = compiler.input_path {
+    if let Some(ref input_path) = sess.io.input.opt_path() {
         if sess.opts.will_create_output_file() {
             if output_contains_path(&output_paths, input_path) {
                 let reported = sess.emit_err(InputFileWouldBeOverWritten { path: input_path });
@@ -695,7 +690,7 @@ pub fn prepare_outputs(
         }
     }
 
-    if let Some(ref dir) = compiler.temps_dir {
+    if let Some(ref dir) = sess.io.temps_dir {
         if fs::create_dir_all(dir).is_err() {
             let reported = sess.emit_err(TempsDirError);
             return Err(reported);
@@ -708,7 +703,7 @@ pub fn prepare_outputs(
         && sess.opts.output_types.len() == 1;
 
     if !only_dep_info {
-        if let Some(ref dir) = compiler.output_dir {
+        if let Some(ref dir) = sess.io.output_dir {
             if fs::create_dir_all(dir).is_err() {
                 let reported = sess.emit_err(OutDirError);
                 return Err(reported);
@@ -769,11 +764,8 @@ impl<'tcx> QueryContext<'tcx> {
 pub fn create_global_ctxt<'tcx>(
     compiler: &'tcx Compiler,
     lint_store: Lrc<LintStore>,
-    krate: Lrc<ast::Crate>,
     dep_graph: DepGraph,
-    resolver: Rc<RefCell<BoxedResolver>>,
-    outputs: OutputFilenames,
-    crate_name: Symbol,
+    untracked: Untracked,
     queries: &'tcx OnceCell<TcxQueries<'tcx>>,
     global_ctxt: &'tcx OnceCell<GlobalCtxt<'tcx>>,
     arena: &'tcx WorkerLocal<Arena<'tcx>>,
@@ -784,8 +776,6 @@ pub fn create_global_ctxt<'tcx>(
     // incr. comp. yet.
     dep_graph.assert_ignored();
 
-    let resolver_outputs = BoxedResolver::to_resolver_outputs(resolver);
-
     let sess = &compiler.session();
     let query_result_on_disk_cache = rustc_incremental::load_query_result_cache(sess);
 
@@ -804,12 +794,6 @@ pub fn create_global_ctxt<'tcx>(
         TcxQueries::new(local_providers, extern_providers, query_result_on_disk_cache)
     });
 
-    let ty::ResolverOutputs {
-        definitions,
-        global_ctxt: untracked_resolutions,
-        ast_lowering: untracked_resolver_for_lowering,
-    } = resolver_outputs;
-
     let gcx = sess.time("setup_global_ctxt", || {
         global_ctxt.get_or_init(move || {
             TyCtxt::create_global_ctxt(
@@ -817,25 +801,16 @@ pub fn create_global_ctxt<'tcx>(
                 lint_store,
                 arena,
                 hir_arena,
-                definitions,
-                untracked_resolutions,
-                krate,
+                untracked,
                 dep_graph,
                 queries.on_disk_cache.as_ref().map(OnDiskCache::as_dyn),
                 queries.as_dyn(),
                 rustc_query_impl::query_callbacks(arena),
-                crate_name,
-                outputs,
             )
         })
     });
 
-    let mut qcx = QueryContext { gcx };
-    qcx.enter(|tcx| {
-        tcx.feed_unit_query()
-            .resolver_for_lowering(tcx.arena.alloc(Steal::new(untracked_resolver_for_lowering)))
-    });
-    qcx
+    QueryContext { gcx }
 }
 
 /// Runs the resolution, type-checking, region checking and other
diff --git a/compiler/rustc_interface/src/queries.rs b/compiler/rustc_interface/src/queries.rs
index 39e1f2204..d5a49dd75 100644
--- a/compiler/rustc_interface/src/queries.rs
+++ b/compiler/rustc_interface/src/queries.rs
@@ -5,6 +5,7 @@ use crate::passes::{self, BoxedResolver, QueryContext};
 use rustc_ast as ast;
 use rustc_codegen_ssa::traits::CodegenBackend;
 use rustc_codegen_ssa::CodegenResults;
+use rustc_data_structures::steal::Steal;
 use rustc_data_structures::svh::Svh;
 use rustc_data_structures::sync::{Lrc, OnceCell, WorkerLocal};
 use rustc_hir::def_id::LOCAL_CRATE;
@@ -12,50 +13,60 @@ use rustc_incremental::DepGraphFuture;
 use rustc_lint::LintStore;
 use rustc_middle::arena::Arena;
 use rustc_middle::dep_graph::DepGraph;
-use rustc_middle::ty::{GlobalCtxt, TyCtxt};
+use rustc_middle::ty::{self, GlobalCtxt, TyCtxt};
 use rustc_query_impl::Queries as TcxQueries;
 use rustc_session::config::{self, OutputFilenames, OutputType};
 use rustc_session::{output::find_crate_name, Session};
 use rustc_span::symbol::sym;
 use rustc_span::Symbol;
 use std::any::Any;
-use std::cell::{Ref, RefCell, RefMut};
+use std::cell::{RefCell, RefMut};
 use std::rc::Rc;
 use std::sync::Arc;
 
 /// Represent the result of a query.
 ///
-/// This result can be stolen with the [`take`] method and generated with the [`compute`] method.
+/// This result can be stolen once with the [`steal`] method and generated with the [`compute`] method.
 ///
-/// [`take`]: Self::take
+/// [`steal`]: Steal::steal
 /// [`compute`]: Self::compute
 pub struct Query<T> {
-    result: RefCell<Option<Result<T>>>,
+    /// `None` means no value has been computed yet.
+    result: RefCell<Option<Result<Steal<T>>>>,
 }
 
 impl<T> Query<T> {
-    fn compute<F: FnOnce() -> Result<T>>(&self, f: F) -> Result<&Query<T>> {
-        self.result.borrow_mut().get_or_insert_with(f).as_ref().map(|_| self).map_err(|&err| err)
+    fn compute<F: FnOnce() -> Result<T>>(&self, f: F) -> Result<QueryResult<'_, T>> {
+        RefMut::filter_map(
+            self.result.borrow_mut(),
+            |r: &mut Option<Result<Steal<T>>>| -> Option<&mut Steal<T>> {
+                r.get_or_insert_with(|| f().map(Steal::new)).as_mut().ok()
+            },
+        )
+        .map_err(|r| *r.as_ref().unwrap().as_ref().map(|_| ()).unwrap_err())
+        .map(QueryResult)
     }
+}
+
+pub struct QueryResult<'a, T>(RefMut<'a, Steal<T>>);
+
+impl<'a, T> std::ops::Deref for QueryResult<'a, T> {
+    type Target = RefMut<'a, Steal<T>>;
 
-    /// Takes ownership of the query result. Further attempts to take or peek the query
-    /// result will panic unless it is generated by calling the `compute` method.
-    pub fn take(&self) -> T {
-        self.result.borrow_mut().take().expect("missing query result").unwrap()
+    fn deref(&self) -> &Self::Target {
+        &self.0
     }
+}
 
-    /// Borrows the query result using the RefCell. Panics if the result is stolen.
-    pub fn peek(&self) -> Ref<'_, T> {
-        Ref::map(self.result.borrow(), |r| {
-            r.as_ref().unwrap().as_ref().expect("missing query result")
-        })
+impl<'a, T> std::ops::DerefMut for QueryResult<'a, T> {
+    fn deref_mut(&mut self) -> &mut Self::Target {
+        &mut self.0
     }
+}
 
-    /// Mutably borrows the query result using the RefCell. Panics if the result is stolen.
-    pub fn peek_mut(&self) -> RefMut<'_, T> {
-        RefMut::map(self.result.borrow_mut(), |r| {
-            r.as_mut().unwrap().as_mut().expect("missing query result")
-        })
+impl<'a, 'tcx> QueryResult<'a, QueryContext<'tcx>> {
+    pub fn enter<T>(mut self, f: impl FnOnce(TyCtxt<'tcx>) -> T) -> T {
+        (*self.0).get_mut().enter(f)
     }
 }
 
@@ -79,7 +90,6 @@ pub struct Queries<'tcx> {
     register_plugins: Query<(ast::Crate, Lrc<LintStore>)>,
     expansion: Query<(Lrc<ast::Crate>, Rc<RefCell<BoxedResolver>>, Lrc<LintStore>)>,
     dep_graph: Query<DepGraph>,
-    prepare_outputs: Query<OutputFilenames>,
     global_ctxt: Query<QueryContext<'tcx>>,
     ongoing_codegen: Query<Box<dyn Any>>,
 }
@@ -98,7 +108,6 @@ impl<'tcx> Queries<'tcx> {
             register_plugins: Default::default(),
             expansion: Default::default(),
             dep_graph: Default::default(),
-            prepare_outputs: Default::default(),
             global_ctxt: Default::default(),
             ongoing_codegen: Default::default(),
         }
@@ -111,24 +120,22 @@ impl<'tcx> Queries<'tcx> {
         self.compiler.codegen_backend()
     }
 
-    fn dep_graph_future(&self) -> Result<&Query<Option<DepGraphFuture>>> {
+    fn dep_graph_future(&self) -> Result<QueryResult<'_, Option<DepGraphFuture>>> {
         self.dep_graph_future.compute(|| {
             let sess = self.session();
             Ok(sess.opts.build_dep_graph().then(|| rustc_incremental::load_dep_graph(sess)))
         })
     }
 
-    pub fn parse(&self) -> Result<&Query<ast::Crate>> {
-        self.parse.compute(|| {
-            passes::parse(self.session(), &self.compiler.input)
-                .map_err(|mut parse_error| parse_error.emit())
-        })
+    pub fn parse(&self) -> Result<QueryResult<'_, ast::Crate>> {
+        self.parse
+            .compute(|| passes::parse(self.session()).map_err(|mut parse_error| parse_error.emit()))
     }
 
-    pub fn register_plugins(&self) -> Result<&Query<(ast::Crate, Lrc<LintStore>)>> {
+    pub fn register_plugins(&self) -> Result<QueryResult<'_, (ast::Crate, Lrc<LintStore>)>> {
         self.register_plugins.compute(|| {
-            let crate_name = self.crate_name()?.peek().clone();
-            let krate = self.parse()?.take();
+            let crate_name = *self.crate_name()?.borrow();
+            let krate = self.parse()?.steal();
 
             let empty: &(dyn Fn(&Session, &mut LintStore) + Sync + Send) = &|_, _| {};
             let (krate, lint_store) = passes::register_plugins(
@@ -150,24 +157,25 @@ impl<'tcx> Queries<'tcx> {
         })
     }
 
-    pub fn crate_name(&self) -> Result<&Query<Symbol>> {
+    fn crate_name(&self) -> Result<QueryResult<'_, Symbol>> {
         self.crate_name.compute(|| {
             Ok({
                 let parse_result = self.parse()?;
-                let krate = parse_result.peek();
+                let krate = parse_result.borrow();
                 // parse `#[crate_name]` even if `--crate-name` was passed, to make sure it matches.
-                find_crate_name(self.session(), &krate.attrs, &self.compiler.input)
+                find_crate_name(self.session(), &krate.attrs)
             })
         })
     }
 
     pub fn expansion(
         &self,
-    ) -> Result<&Query<(Lrc<ast::Crate>, Rc<RefCell<BoxedResolver>>, Lrc<LintStore>)>> {
+    ) -> Result<QueryResult<'_, (Lrc<ast::Crate>, Rc<RefCell<BoxedResolver>>, Lrc<LintStore>)>>
+    {
         trace!("expansion");
         self.expansion.compute(|| {
-            let crate_name = *self.crate_name()?.peek();
-            let (krate, lint_store) = self.register_plugins()?.take();
+            let crate_name = *self.crate_name()?.borrow();
+            let (krate, lint_store) = self.register_plugins()?.steal();
             let _timer = self.session().timer("configure_and_expand");
             let sess = self.session();
             let mut resolver = passes::create_resolver(
@@ -183,10 +191,10 @@ impl<'tcx> Queries<'tcx> {
         })
     }
 
-    fn dep_graph(&self) -> Result<&Query<DepGraph>> {
+    fn dep_graph(&self) -> Result<QueryResult<'_, DepGraph>> {
         self.dep_graph.compute(|| {
             let sess = self.session();
-            let future_opt = self.dep_graph_future()?.take();
+            let future_opt = self.dep_graph_future()?.steal();
             let dep_graph = future_opt
                 .and_then(|future| {
                     let (prev_graph, prev_work_products) =
@@ -199,45 +207,48 @@ impl<'tcx> Queries<'tcx> {
         })
     }
 
-    pub fn prepare_outputs(&self) -> Result<&Query<OutputFilenames>> {
-        self.prepare_outputs.compute(|| {
-            let (krate, boxed_resolver, _) = &*self.expansion()?.peek();
-            let crate_name = *self.crate_name()?.peek();
-            passes::prepare_outputs(
-                self.session(),
-                self.compiler,
-                krate,
-                &*boxed_resolver,
-                crate_name,
-            )
-        })
-    }
-
-    pub fn global_ctxt(&'tcx self) -> Result<&Query<QueryContext<'tcx>>> {
+    pub fn global_ctxt(&'tcx self) -> Result<QueryResult<'_, QueryContext<'tcx>>> {
         self.global_ctxt.compute(|| {
-            let crate_name = *self.crate_name()?.peek();
-            let outputs = self.prepare_outputs()?.take();
-            let dep_graph = self.dep_graph()?.peek().clone();
-            let (krate, resolver, lint_store) = self.expansion()?.take();
-            Ok(passes::create_global_ctxt(
+            let crate_name = *self.crate_name()?.borrow();
+            let (krate, resolver, lint_store) = self.expansion()?.steal();
+
+            let outputs = passes::prepare_outputs(self.session(), &krate, &resolver, crate_name)?;
+
+            let ty::ResolverOutputs {
+                untracked,
+                global_ctxt: untracked_resolutions,
+                ast_lowering: untracked_resolver_for_lowering,
+            } = BoxedResolver::to_resolver_outputs(resolver);
+
+            let mut qcx = passes::create_global_ctxt(
                 self.compiler,
                 lint_store,
-                krate,
-                dep_graph,
-                resolver,
-                outputs,
-                crate_name,
+                self.dep_graph()?.steal(),
+                untracked,
                 &self.queries,
                 &self.gcx,
                 &self.arena,
                 &self.hir_arena,
-            ))
+            );
+
+            qcx.enter(|tcx| {
+                let feed = tcx.feed_unit_query();
+                feed.resolver_for_lowering(
+                    tcx.arena.alloc(Steal::new((untracked_resolver_for_lowering, krate))),
+                );
+                feed.resolutions(tcx.arena.alloc(untracked_resolutions));
+                feed.output_filenames(tcx.arena.alloc(std::sync::Arc::new(outputs)));
+                feed.features_query(tcx.sess.features_untracked());
+                let feed = tcx.feed_local_crate();
+                feed.crate_name(crate_name);
+            });
+            Ok(qcx)
         })
     }
 
-    pub fn ongoing_codegen(&'tcx self) -> Result<&Query<Box<dyn Any>>> {
+    pub fn ongoing_codegen(&'tcx self) -> Result<QueryResult<'_, Box<dyn Any>>> {
         self.ongoing_codegen.compute(|| {
-            self.global_ctxt()?.peek_mut().enter(|tcx| {
+            self.global_ctxt()?.enter(|tcx| {
                 tcx.analysis(()).ok();
 
                 // Don't do code generation if there were any errors
@@ -293,12 +304,10 @@ impl<'tcx> Queries<'tcx> {
         let sess = self.session().clone();
         let codegen_backend = self.codegen_backend().clone();
 
-        let dep_graph = self.dep_graph()?.peek().clone();
-        let (crate_hash, prepare_outputs) = self
-            .global_ctxt()?
-            .peek_mut()
-            .enter(|tcx| (tcx.crate_hash(LOCAL_CRATE), tcx.output_filenames(()).clone()));
-        let ongoing_codegen = self.ongoing_codegen()?.take();
+        let (crate_hash, prepare_outputs, dep_graph) = self.global_ctxt()?.enter(|tcx| {
+            (tcx.crate_hash(LOCAL_CRATE), tcx.output_filenames(()).clone(), tcx.dep_graph.clone())
+        });
+        let ongoing_codegen = self.ongoing_codegen()?.steal();
 
         Ok(Linker {
             sess,
@@ -382,6 +391,7 @@ impl Compiler {
         // NOTE: intentionally does not compute the global context if it hasn't been built yet,
         // since that likely means there was a parse error.
         if let Some(Ok(gcx)) = &mut *queries.global_ctxt.result.borrow_mut() {
+            let gcx = gcx.get_mut();
             // We assume that no queries are run past here. If there are new queries
             // after this point, they'll show up as "<unknown>" in self-profiling data.
             {
diff --git a/compiler/rustc_interface/src/tests.rs b/compiler/rustc_interface/src/tests.rs
index 2b8f6557c..f94bc4d4c 100644
--- a/compiler/rustc_interface/src/tests.rs
+++ b/compiler/rustc_interface/src/tests.rs
@@ -3,29 +3,31 @@ use crate::interface::parse_cfgspecs;
 
 use rustc_data_structures::fx::FxHashSet;
 use rustc_errors::{emitter::HumanReadableErrorType, registry, ColorConfig};
-use rustc_session::config::InstrumentCoverage;
-use rustc_session::config::Strip;
+use rustc_session::config::rustc_optgroups;
+use rustc_session::config::Input;
+use rustc_session::config::TraitSolver;
 use rustc_session::config::{build_configuration, build_session_options, to_crate_config};
 use rustc_session::config::{
-    rustc_optgroups, ErrorOutputType, ExternLocation, LocationDetail, Options, Passes,
-};
-use rustc_session::config::{
     BranchProtection, Externs, OomStrategy, OutputType, OutputTypes, PAuthKey, PacRet,
     ProcMacroExecutionStrategy, SymbolManglingVersion, WasiExecModel,
 };
 use rustc_session::config::{CFGuard, ExternEntry, LinkerPluginLto, LtoCli, SwitchWithOptPath};
+use rustc_session::config::{DumpMonoStatsFormat, MirSpanview};
+use rustc_session::config::{ErrorOutputType, ExternLocation, LocationDetail, Options, Strip};
+use rustc_session::config::{InstrumentCoverage, Passes};
 use rustc_session::lint::Level;
 use rustc_session::search_paths::SearchPath;
 use rustc_session::utils::{CanonicalizedPath, NativeLib, NativeLibKind};
+use rustc_session::CompilerIO;
 use rustc_session::{build_session, getopts, Session};
 use rustc_span::edition::{Edition, DEFAULT_EDITION};
 use rustc_span::symbol::sym;
+use rustc_span::FileName;
 use rustc_span::SourceFileHashAlgorithm;
 use rustc_target::spec::{CodeModel, LinkerFlavorCli, MergeFunctions, PanicStrategy, RelocModel};
 use rustc_target::spec::{RelroLevel, SanitizerSet, SplitDebuginfo, StackProtector, TlsModel};
 
 use std::collections::{BTreeMap, BTreeSet};
-use std::iter::FromIterator;
 use std::num::NonZeroUsize;
 use std::path::{Path, PathBuf};
 
@@ -40,7 +42,14 @@ fn build_session_options_and_crate_config(matches: getopts::Matches) -> (Options
 fn mk_session(matches: getopts::Matches) -> (Session, CfgSpecs) {
     let registry = registry::Registry::new(&[]);
     let (sessopts, cfg) = build_session_options_and_crate_config(matches);
-    let sess = build_session(sessopts, None, None, registry, Default::default(), None, None);
+    let temps_dir = sessopts.unstable_opts.temps_dir.as_deref().map(PathBuf::from);
+    let io = CompilerIO {
+        input: Input::Str { name: FileName::Custom(String::new()), input: String::new() },
+        output_dir: None,
+        output_file: None,
+        temps_dir,
+    };
+    let sess = build_session(sessopts, io, None, registry, Default::default(), None, None);
     (sess, cfg)
 }
 
@@ -648,12 +657,14 @@ fn test_unstable_options_tracking_hash() {
     untracked!(dump_mir_dir, String::from("abc"));
     untracked!(dump_mir_exclude_pass_number, true);
     untracked!(dump_mir_graphviz, true);
+    untracked!(dump_mir_spanview, Some(MirSpanview::Statement));
+    untracked!(dump_mono_stats, SwitchWithOptPath::Enabled(Some("mono-items-dir/".into())));
+    untracked!(dump_mono_stats_format, DumpMonoStatsFormat::Json);
     untracked!(dylib_lto, true);
     untracked!(emit_stack_sizes, true);
     untracked!(future_incompat_test, true);
     untracked!(hir_stats, true);
     untracked!(identify_regions, true);
-    untracked!(incremental_ignore_spans, true);
     untracked!(incremental_info, true);
     untracked!(incremental_verify_ich, true);
     untracked!(input_stats, true);
@@ -714,7 +725,7 @@ fn test_unstable_options_tracking_hash() {
     tracked!(asm_comments, true);
     tracked!(assume_incomplete_release, true);
     tracked!(binary_dep_depinfo, true);
-    tracked!(box_noalias, Some(false));
+    tracked!(box_noalias, false);
     tracked!(
         branch_protection,
         Some(BranchProtection {
@@ -722,7 +733,6 @@ fn test_unstable_options_tracking_hash() {
             pac_ret: Some(PacRet { leaf: true, key: PAuthKey::B })
         })
     );
-    tracked!(chalk, true);
     tracked!(codegen_backend, Some("abc".to_string()));
     tracked!(crate_attr, vec!["abc".to_string()]);
     tracked!(debug_info_for_profiling, true);
@@ -738,6 +748,7 @@ fn test_unstable_options_tracking_hash() {
     tracked!(fuel, Some(("abc".to_string(), 99)));
     tracked!(function_sections, Some(false));
     tracked!(human_readable_cgu_names, true);
+    tracked!(incremental_ignore_spans, true);
     tracked!(inline_in_all_cgus, Some(true));
     tracked!(inline_mir, Some(true));
     tracked!(inline_mir_hint_threshold, Some(123));
@@ -747,14 +758,16 @@ fn test_unstable_options_tracking_hash() {
     tracked!(link_only, true);
     tracked!(llvm_plugins, vec![String::from("plugin_name")]);
     tracked!(location_detail, LocationDetail { file: true, line: false, column: false });
+    tracked!(log_backtrace, Some("filter".to_string()));
     tracked!(maximal_hir_to_mir_coverage, true);
     tracked!(merge_functions, Some(MergeFunctions::Disabled));
     tracked!(mir_emit_retag, true);
     tracked!(mir_enable_passes, vec![("DestProp".to_string(), false)]);
     tracked!(mir_opt_level, Some(4));
     tracked!(move_size_limit, Some(4096));
-    tracked!(mutable_noalias, Some(true));
+    tracked!(mutable_noalias, false);
     tracked!(no_generate_arange_section, true);
+    tracked!(no_jump_tables, true);
     tracked!(no_link, true);
     tracked!(no_profiler_runtime, true);
     tracked!(no_unique_section_names, true);
@@ -790,6 +803,7 @@ fn test_unstable_options_tracking_hash() {
     tracked!(thinlto, Some(true));
     tracked!(thir_unsafeck, true);
     tracked!(tls_model, Some(TlsModel::GeneralDynamic));
+    tracked!(trait_solver, TraitSolver::Chalk);
     tracked!(translate_remapped_path_to_local_path, false);
     tracked!(trap_unreachable, Some(false));
     tracked!(treat_err_as_bug, NonZeroUsize::new(1));
diff --git a/compiler/rustc_interface/src/util.rs b/compiler/rustc_interface/src/util.rs
index 4142964a0..54363e07b 100644
--- a/compiler/rustc_interface/src/util.rs
+++ b/compiler/rustc_interface/src/util.rs
@@ -8,7 +8,7 @@ use rustc_parse::validate_attr;
 use rustc_session as session;
 use rustc_session::config::CheckCfg;
 use rustc_session::config::{self, CrateType};
-use rustc_session::config::{ErrorOutputType, Input, OutputFilenames};
+use rustc_session::config::{ErrorOutputType, OutputFilenames};
 use rustc_session::filesearch::sysroot_candidates;
 use rustc_session::lint::{self, BuiltinLintDiagnostics, LintBuffer};
 use rustc_session::parse::CrateConfig;
@@ -17,6 +17,7 @@ use rustc_span::edition::Edition;
 use rustc_span::lev_distance::find_best_match_for_name;
 use rustc_span::source_map::FileLoader;
 use rustc_span::symbol::{sym, Symbol};
+use session::CompilerIO;
 use std::env;
 use std::env::consts::{DLL_PREFIX, DLL_SUFFIX};
 use std::mem;
@@ -58,7 +59,7 @@ pub fn create_session(
     cfg: FxHashSet<(String, Option<String>)>,
     check_cfg: CheckCfg,
     file_loader: Option<Box<dyn FileLoader + Send + Sync + 'static>>,
-    input_path: Option<PathBuf>,
+    io: CompilerIO,
     lint_caps: FxHashMap<lint::LintId, lint::Level>,
     make_codegen_backend: Option<
         Box<dyn FnOnce(&config::Options) -> Box<dyn CodegenBackend> + Send>,
@@ -89,7 +90,7 @@ pub fn create_session(
 
     let mut sess = session::build_session(
         sopts,
-        input_path,
+        io,
         bundle,
         descriptions,
         lint_caps,
@@ -205,13 +206,13 @@ pub(crate) fn run_in_thread_pool_with_globals<F: FnOnce() -> R + Send, R: Send>(
 
 fn load_backend_from_dylib(path: &Path) -> MakeBackendFn {
     let lib = unsafe { Library::new(path) }.unwrap_or_else(|err| {
-        let err = format!("couldn't load codegen backend {:?}: {}", path, err);
+        let err = format!("couldn't load codegen backend {path:?}: {err}");
         early_error(ErrorOutputType::default(), &err);
     });
 
     let backend_sym = unsafe { lib.get::<MakeBackendFn>(b"__rustc_codegen_backend") }
         .unwrap_or_else(|e| {
-            let err = format!("couldn't load codegen backend: {}", e);
+            let err = format!("couldn't load codegen backend: {e}");
             early_error(ErrorOutputType::default(), &err);
         });
 
@@ -304,8 +305,7 @@ fn get_codegen_sysroot(maybe_sysroot: &Option<PathBuf>, backend_name: &str) -> M
             .join("\n* ");
         let err = format!(
             "failed to find a `codegen-backends` folder \
-                           in the sysroot candidates:\n* {}",
-            candidates
+                           in the sysroot candidates:\n* {candidates}"
         );
         early_error(ErrorOutputType::default(), &err);
     });
@@ -325,7 +325,7 @@ fn get_codegen_sysroot(maybe_sysroot: &Option<PathBuf>, backend_name: &str) -> M
 
     let expected_names = &[
         format!("rustc_codegen_{}-{}", backend_name, env!("CFG_RELEASE")),
-        format!("rustc_codegen_{}", backend_name),
+        format!("rustc_codegen_{backend_name}"),
     ];
     for entry in d.filter_map(|e| e.ok()) {
         let path = entry.path();
@@ -354,7 +354,7 @@ fn get_codegen_sysroot(maybe_sysroot: &Option<PathBuf>, backend_name: &str) -> M
     match file {
         Some(ref s) => load_backend_from_dylib(s),
         None => {
-            let err = format!("unsupported builtin codegen backend `{}`", backend_name);
+            let err = format!("unsupported builtin codegen backend `{backend_name}`");
             early_error(ErrorOutputType::default(), &err);
         }
     }
@@ -389,7 +389,7 @@ pub(crate) fn check_attr_crate_type(
                             BuiltinLintDiagnostics::UnknownCrateTypes(
                                 span,
                                 "did you mean".to_string(),
-                                format!("\"{}\"", candidate),
+                                format!("\"{candidate}\""),
                             ),
                         );
                     } else {
@@ -487,20 +487,13 @@ pub fn collect_crate_types(session: &Session, attrs: &[ast::Attribute]) -> Vec<C
     base
 }
 
-pub fn build_output_filenames(
-    input: &Input,
-    odir: &Option<PathBuf>,
-    ofile: &Option<PathBuf>,
-    temps_dir: &Option<PathBuf>,
-    attrs: &[ast::Attribute],
-    sess: &Session,
-) -> OutputFilenames {
-    match *ofile {
+pub fn build_output_filenames(attrs: &[ast::Attribute], sess: &Session) -> OutputFilenames {
+    match sess.io.output_file {
         None => {
             // "-" as input file will cause the parser to read from stdin so we
             // have to make up a name
             // We want to toss everything after the final '.'
-            let dirpath = (*odir).as_ref().cloned().unwrap_or_default();
+            let dirpath = sess.io.output_dir.clone().unwrap_or_default();
 
             // If a crate name is present, we use it as the link name
             let stem = sess
@@ -508,13 +501,13 @@ pub fn build_output_filenames(
                 .crate_name
                 .clone()
                 .or_else(|| rustc_attr::find_crate_name(sess, attrs).map(|n| n.to_string()))
-                .unwrap_or_else(|| input.filestem().to_owned());
+                .unwrap_or_else(|| sess.io.input.filestem().to_owned());
 
             OutputFilenames::new(
                 dirpath,
                 stem,
                 None,
-                temps_dir.clone(),
+                sess.io.temps_dir.clone(),
                 sess.opts.cg.extra_filename.clone(),
                 sess.opts.output_types.clone(),
             )
@@ -535,7 +528,7 @@ pub fn build_output_filenames(
                 }
                 Some(out_file.clone())
             };
-            if *odir != None {
+            if sess.io.output_dir != None {
                 sess.warn("ignoring --out-dir flag due to -o flag");
             }
 
@@ -543,7 +536,7 @@ pub fn build_output_filenames(
                 out_file.parent().unwrap_or_else(|| Path::new("")).to_path_buf(),
                 out_file.file_stem().unwrap_or_default().to_str().unwrap().to_string(),
                 ofile,
-                temps_dir.clone(),
+                sess.io.temps_dir.clone(),
                 sess.opts.cg.extra_filename.clone(),
                 sess.opts.output_types.clone(),
             )