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Remove unnecessary closure.

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The comments that says it's necessary is wrong.
This commit is contained in:
Nicholas Nethercote 2026-02-13 18:15:08 +11:00
parent 5fdff787e6
commit 94db326f25
1 changed files with 37 additions and 61 deletions
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98
compiler/rustc_interface/src/passes.rs
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@ -10,7 +10,6 @@ use rustc_attr_parsing::{AttributeParser, Early, ShouldEmit};
use rustc_codegen_ssa::traits::CodegenBackend;
use rustc_codegen_ssa::{CodegenResults, CrateInfo};
use rustc_data_structures::indexmap::IndexMap;
use rustc_data_structures::jobserver::Proxy;
use rustc_data_structures::steal::Steal;
use rustc_data_structures::sync::{AppendOnlyIndexVec, FreezeLock, WorkerLocal};
use rustc_data_structures::{parallel, thousands};
@ -28,7 +27,7 @@ use rustc_lint::{BufferedEarlyLint, EarlyCheckNode, LintStore, unerased_lint_sto
use rustc_metadata::EncodedMetadata;
use rustc_metadata::creader::CStore;
use rustc_middle::arena::Arena;
use rustc_middle::ty::{self, CurrentGcx, GlobalCtxt, RegisteredTools, TyCtxt};
use rustc_middle::ty::{self, RegisteredTools, TyCtxt};
use rustc_middle::util::Providers;
use rustc_parse::lexer::StripTokens;
use rustc_parse::{new_parser_from_file, new_parser_from_source_str, unwrap_or_emit_fatal};
@ -969,68 +968,45 @@ pub fn create_and_enter_global_ctxt<T, F: for<'tcx> FnOnce(TyCtxt<'tcx>) -> T>(
let arena = WorkerLocal::new(|_| Arena::default());
let hir_arena = WorkerLocal::new(|_| rustc_hir::Arena::default());
// This closure is necessary to force rustc to perform the correct lifetime
// subtyping for GlobalCtxt::enter to be allowed.
let inner: Box<
dyn for<'tcx> FnOnce(
&'tcx Session,
CurrentGcx,
Arc<Proxy>,
&'tcx OnceLock<GlobalCtxt<'tcx>>,
&'tcx WorkerLocal<Arena<'tcx>>,
&'tcx WorkerLocal<rustc_hir::Arena<'tcx>>,
F,
) -> T,
> = Box::new(move |sess, current_gcx, jobserver_proxy, gcx_cell, arena, hir_arena, f| {
TyCtxt::create_global_ctxt(
gcx_cell,
sess,
crate_types,
stable_crate_id,
arena,
hir_arena,
untracked,
dep_graph,
rustc_query_impl::make_dep_kind_vtables(arena),
rustc_query_impl::query_system(
providers.queries,
providers.extern_queries,
query_result_on_disk_cache,
incremental,
),
providers.hooks,
current_gcx,
jobserver_proxy,
|tcx| {
let feed = tcx.create_crate_num(stable_crate_id).unwrap();
assert_eq!(feed.key(), LOCAL_CRATE);
feed.crate_name(crate_name);
let feed = tcx.feed_unit_query();
feed.features_query(tcx.arena.alloc(rustc_expand::config::features(
tcx.sess,
&pre_configured_attrs,
crate_name,
)));
feed.crate_for_resolver(tcx.arena.alloc(Steal::new((krate, pre_configured_attrs))));
feed.output_filenames(Arc::new(outputs));
let res = f(tcx);
// FIXME maybe run finish even when a fatal error occurred? or at least tcx.alloc_self_profile_query_strings()?
tcx.finish();
res
},
)
});
inner(
&compiler.sess,
compiler.current_gcx.clone(),
Arc::clone(&compiler.jobserver_proxy),
TyCtxt::create_global_ctxt(
&gcx_cell,
&compiler.sess,
crate_types,
stable_crate_id,
&arena,
&hir_arena,
f,
untracked,
dep_graph,
rustc_query_impl::make_dep_kind_vtables(&arena),
rustc_query_impl::query_system(
providers.queries,
providers.extern_queries,
query_result_on_disk_cache,
incremental,
),
providers.hooks,
compiler.current_gcx.clone(),
Arc::clone(&compiler.jobserver_proxy),
|tcx| {
let feed = tcx.create_crate_num(stable_crate_id).unwrap();
assert_eq!(feed.key(), LOCAL_CRATE);
feed.crate_name(crate_name);
let feed = tcx.feed_unit_query();
feed.features_query(tcx.arena.alloc(rustc_expand::config::features(
tcx.sess,
&pre_configured_attrs,
crate_name,
)));
feed.crate_for_resolver(tcx.arena.alloc(Steal::new((krate, pre_configured_attrs))));
feed.output_filenames(Arc::new(outputs));
let res = f(tcx);
// FIXME maybe run finish even when a fatal error occurred? or at least
// tcx.alloc_self_profile_query_strings()?
tcx.finish();
res
},
)
}