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Don't call predicate_must_hold during fulfillment in intercrate

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This commit is contained in:
Michael Goulet
2023-07-16 01:56:16 +00:00
parent bacf5bcbc7
commit 8f178d1b0c
3 changed files with 38 additions and 2 deletions
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4
compiler/rustc_trait_selection/src/traits/fulfill.rs
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@@ -671,7 +671,7 @@ impl<'a, 'tcx> FulfillProcessor<'a, 'tcx> {
stalled_on: &mut Vec<TyOrConstInferVar<'tcx>>,
) -> ProcessResult<PendingPredicateObligation<'tcx>, FulfillmentErrorCode<'tcx>> {
let infcx = self.selcx.infcx;
if obligation.predicate.is_global() {
if obligation.predicate.is_global() && !self.selcx.is_intercrate() {
// no type variables present, can use evaluation for better caching.
// FIXME: consider caching errors too.
if infcx.predicate_must_hold_considering_regions(obligation) {
@@ -725,7 +725,7 @@ impl<'a, 'tcx> FulfillProcessor<'a, 'tcx> {
) -> ProcessResult<PendingPredicateObligation<'tcx>, FulfillmentErrorCode<'tcx>> {
let tcx = self.selcx.tcx();
if obligation.predicate.is_global() {
if obligation.predicate.is_global() && !self.selcx.is_intercrate() {
// no type variables present, can use evaluation for better caching.
// FIXME: consider caching errors too.
if self.selcx.infcx.predicate_must_hold_considering_regions(obligation) {