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Use TraitEngine in more places that don't specifically need FulfillmentCtxt::new_in_snapshot

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This commit is contained in:
Michael Goulet 2022-07-26 04:43:04 +00:00
parent 6dbae3ad19
commit 58f107ab56
11 changed files with 23 additions and 22 deletions
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4
compiler/rustc_trait_selection/src/traits/codegen.rs
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@ -5,7 +5,7 @@
use crate::infer::{DefiningAnchor, TyCtxtInferExt};
use crate::traits::{
FulfillmentContext, ImplSource, Obligation, ObligationCause, SelectionContext, TraitEngine,
ImplSource, Obligation, ObligationCause, SelectionContext, TraitEngine, TraitEngineExt,
Unimplemented,
};
use rustc_middle::traits::CodegenObligationError;
@ -55,7 +55,7 @@ pub fn codegen_fulfill_obligation<'tcx>(
// Currently, we use a fulfillment context to completely resolve
// all nested obligations. This is because they can inform the
// inference of the impl's type parameters.
let mut fulfill_cx = FulfillmentContext::new();
let mut fulfill_cx = <dyn TraitEngine<'tcx>>::new(tcx);
let impl_source = selection.map(|predicate| {
fulfill_cx.register_predicate_obligation(&infcx, predicate);
});