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Do not check Sync during type_of.

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This commit is contained in:
Camille GILLOT
2025-07-26 21:46:20 +00:00
parent 7c6496145f
commit 8817572b45
13 changed files with 26 additions and 264 deletions
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2
compiler/rustc_hir_analysis/src/check/check.rs
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@@ -767,6 +767,8 @@ pub(crate) fn check_item_type(tcx: TyCtxt<'_>, def_id: LocalDefId) -> Result<(),
DefKind::Static { .. } => {
check_static_inhabited(tcx, def_id);
check_static_linkage(tcx, def_id);
let ty = tcx.type_of(def_id).instantiate_identity();
res = res.and(wfcheck::check_static_item(tcx, def_id, ty, true));
}
DefKind::Const => res = res.and(wfcheck::check_const_item(tcx, def_id)),
_ => unreachable!(),

5
compiler/rustc_hir_analysis/src/check/wfcheck.rs
View File

@@ -1184,6 +1184,7 @@ pub(crate) fn check_static_item<'tcx>(
tcx: TyCtxt<'tcx>,
item_id: LocalDefId,
ty: Ty<'tcx>,
should_check_for_sync: bool,
) -> Result<(), ErrorGuaranteed> {
enter_wf_checking_ctxt(tcx, item_id, |wfcx| {
let span = tcx.ty_span(item_id);
@@ -1212,9 +1213,9 @@ pub(crate) fn check_static_item<'tcx>(
}
// Ensure that the end result is `Sync` in a non-thread local `static`.
let should_check_for_sync = tcx.static_mutability(item_id.to_def_id())
== Some(hir::Mutability::Not)
let should_check_for_sync = should_check_for_sync
&& !is_foreign_item
&& tcx.static_mutability(item_id.to_def_id()) == Some(hir::Mutability::Not)
&& !tcx.is_thread_local_static(item_id.to_def_id());
if should_check_for_sync {