Querify early_lint_checks.

compiler/rustc_interface/src/passes.rs

@@ -11,7 +11,7 @@ use rustc_data_structures::parallel;
 use rustc_data_structures::steal::Steal;
 use rustc_data_structures::sync::{Lrc, OnceCell, WorkerLocal};
 use rustc_errors::PResult;
-use rustc_expand::base::{ExtCtxt, LintStoreExpand, ResolverExpand};
+use rustc_expand::base::{ExtCtxt, LintStoreExpand};
 use rustc_hir::def_id::{StableCrateId, LOCAL_CRATE};
 use rustc_lint::{unerased_lint_store, BufferedEarlyLint, EarlyCheckNode, LintStore};
 use rustc_metadata::creader::CStore;
@@ -302,6 +302,16 @@ fn configure_and_expand(mut krate: ast::Crate, resolver: &mut Resolver<'_, '_>)
 
     // Done with macro expansion!
 
+    resolver.resolve_crate(&krate);
+
+    krate
+}
+
+fn early_lint_checks(tcx: TyCtxt<'_>, (): ()) {
+    let sess = tcx.sess;
+    let (resolver, krate) = &*tcx.resolver_for_lowering(()).borrow();
+    let mut lint_buffer = resolver.lint_buffer.steal();
+
     if sess.opts.unstable_opts.input_stats {
         eprintln!("Post-expansion node count: {}", count_nodes(&krate));
     }
@@ -310,8 +320,6 @@ fn configure_and_expand(mut krate: ast::Crate, resolver: &mut Resolver<'_, '_>)
         hir_stats::print_ast_stats(&krate, "POST EXPANSION AST STATS", "ast-stats-2");
     }
 
-    resolver.resolve_crate(&krate);
-
     // Needs to go *after* expansion to be able to check the results of macro expansion.
     sess.time("complete_gated_feature_checking", || {
         rustc_ast_passes::feature_gate::check_crate(&krate, sess);
@@ -321,7 +329,7 @@ fn configure_and_expand(mut krate: ast::Crate, resolver: &mut Resolver<'_, '_>)
     sess.parse_sess.buffered_lints.with_lock(|buffered_lints| {
         info!("{} parse sess buffered_lints", buffered_lints.len());
         for early_lint in buffered_lints.drain(..) {
-            resolver.lint_buffer().add_early_lint(early_lint);
+            lint_buffer.add_early_lint(early_lint);
         }
     });
 
@@ -340,20 +348,16 @@ fn configure_and_expand(mut krate: ast::Crate, resolver: &mut Resolver<'_, '_>)
         }
     });
 
-    sess.time("early_lint_checks", || {
-        let lint_buffer = Some(std::mem::take(resolver.lint_buffer()));
-        rustc_lint::check_ast_node(
-            sess,
-            false,
-            lint_store,
-            resolver.registered_tools(),
-            lint_buffer,
-            rustc_lint::BuiltinCombinedEarlyLintPass::new(),
-            &krate,
-        )
-    });
-
-    krate
+    let lint_store = unerased_lint_store(tcx);
+    rustc_lint::check_ast_node(
+        sess,
+        false,
+        lint_store,
+        tcx.registered_tools(()),
+        Some(lint_buffer),
+        rustc_lint::BuiltinCombinedEarlyLintPass::new(),
+        &**krate,
+    )
 }
 
 // Returns all the paths that correspond to generated files.
@@ -630,6 +634,7 @@ pub static DEFAULT_QUERY_PROVIDERS: LazyLock<Providers> = LazyLock::new(|| {
     providers.hir_crate = rustc_ast_lowering::lower_to_hir;
     providers.output_filenames = output_filenames;
     providers.resolver_for_lowering = resolver_for_lowering;
+    providers.early_lint_checks = early_lint_checks;
     proc_macro_decls::provide(providers);
     rustc_const_eval::provide(providers);
     rustc_middle::hir::provide(providers);