bjoernager/rust
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Bubble up obligations

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This commit is contained in:
ouz-a 2022-07-25 15:45:36 +03:00
parent 64dc377a10
commit 4a0473c0f5
3 changed files with 13 additions and 8 deletions
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4
compiler/rustc_traits/src/evaluate_obligation.rs
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@ -1,4 +1,4 @@
use rustc_infer::infer::TyCtxtInferExt;
use rustc_infer::infer::{DefiningAnchor, TyCtxtInferExt};
use rustc_middle::ty::query::Providers;
use rustc_middle::ty::{ParamEnvAnd, TyCtxt};
use rustc_span::source_map::DUMMY_SP;
@ -16,7 +16,7 @@ fn evaluate_obligation<'tcx>(
canonical_goal: CanonicalPredicateGoal<'tcx>,
) -> Result<EvaluationResult, OverflowError> {
debug!("evaluate_obligation(canonical_goal={:#?})", canonical_goal);
tcx.infer_ctxt().enter_with_canonical(
tcx.infer_ctxt().with_opaque_type_inference(DefiningAnchor::Bubble).enter_with_canonical(
DUMMY_SP,
&canonical_goal,
|ref infcx, goal, _canonical_inference_vars| {