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resolve: Unload speculatively resolved crates before freezing cstore

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This commit is contained in:
Vadim Petrochenkov
2024-01-04 16:57:24 +03:00
parent 037f515caf
commit a2ab48c21b
6 changed files with 52 additions and 16 deletions
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21
compiler/rustc_resolve/src/late.rs
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@@ -23,6 +23,7 @@ use rustc_hir::def::Namespace::{self, *};
use rustc_hir::def::{self, CtorKind, DefKind, LifetimeRes, NonMacroAttrKind, PartialRes, PerNS};
use rustc_hir::def_id::{DefId, LocalDefId, CRATE_DEF_ID, LOCAL_CRATE};
use rustc_hir::{BindingAnnotation, PrimTy, TraitCandidate};
use rustc_metadata::creader::CStore;
use rustc_middle::middle::resolve_bound_vars::Set1;
use rustc_middle::{bug, span_bug};
use rustc_session::config::{CrateType, ResolveDocLinks};
@@ -4541,14 +4542,20 @@ impl<'a: 'ast, 'b, 'ast, 'tcx> LateResolutionVisitor<'a, 'b, 'ast, 'tcx> {
if let Some(res) = res
&& let Some(def_id) = res.opt_def_id()
&& !def_id.is_local()
&& self.r.tcx.crate_types().contains(&CrateType::ProcMacro)
&& matches!(
self.r.tcx.sess.opts.resolve_doc_links,
ResolveDocLinks::ExportedMetadata
)
{
// Encoding foreign def ids in proc macro crate metadata will ICE.
return None;
if self.r.tcx.crate_types().contains(&CrateType::ProcMacro)
&& matches!(
self.r.tcx.sess.opts.resolve_doc_links,
ResolveDocLinks::ExportedMetadata
)
{
// Encoding foreign def ids in proc macro crate metadata will ICE.
return None;
}
// Doc paths should be resolved speculatively and should not produce any
// diagnostics, but if they are indeed resolved, then we need to keep the
// corresponding crate alive.
CStore::from_tcx_mut(self.r.tcx).set_used_recursively(def_id.krate);
}
res
});