bjoernager/rust
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add tests and comment

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This commit is contained in:
ouz-a 2022-07-27 14:43:46 +03:00
parent 4a0473c0f5
commit 8716eae3b1
4 changed files with 19 additions and 0 deletions
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2
compiler/rustc_traits/src/evaluate_obligation.rs
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@ -16,6 +16,8 @@ fn evaluate_obligation<'tcx>(
canonical_goal: CanonicalPredicateGoal<'tcx>,
) -> Result<EvaluationResult, OverflowError> {
debug!("evaluate_obligation(canonical_goal={:#?})", canonical_goal);
// HACK This bubble is required for this tests to pass:
// impl-trait/issue99642.rs
tcx.infer_ctxt().with_opaque_type_inference(DefiningAnchor::Bubble).enter_with_canonical(
DUMMY_SP,
&canonical_goal,

2
compiler/rustc_traits/src/type_op.rs
View file

@ -258,6 +258,8 @@ fn type_op_prove_predicate<'tcx>(
tcx: TyCtxt<'tcx>,
canonicalized: Canonical<'tcx, ParamEnvAnd<'tcx, ProvePredicate<'tcx>>>,
) -> Result<&'tcx Canonical<'tcx, QueryResponse<'tcx, ()>>, NoSolution> {
// HACK This bubble is required for this test to pass:
// impl-trait/issue-99642.rs
tcx.infer_ctxt().with_opaque_type_inference(DefiningAnchor::Bubble).enter_canonical_trait_query(
&canonicalized,
|infcx, fulfill_cx, key| {