bjoernager/rust
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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_const_eval/src/transform/check_consts/qualifs.rs
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@ -10,7 +10,7 @@ use rustc_middle::mir::*;
use rustc_middle::ty::{self, subst::SubstsRef, AdtDef, Ty};
use rustc_span::DUMMY_SP;
use rustc_trait_selection::traits::{
self, FulfillmentContext, ImplSource, Obligation, ObligationCause, SelectionContext,
self, ImplSource, Obligation, ObligationCause, SelectionContext, TraitEngineExt,
};
use super::ConstCx;
@ -191,7 +191,7 @@ impl Qualif for NeedsNonConstDrop {
// If we successfully found one, then select all of the predicates
// implied by our const drop impl.
let mut fcx = FulfillmentContext::new();
let mut fcx = <dyn TraitEngine<'tcx>>::new(cx.tcx);
for nested in impl_src.nested_obligations() {
fcx.register_predicate_obligation(&infcx, nested);
}