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Swap PredicateObligation to ThinVec

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This commit is contained in:
GnomedDev 2024-10-10 19:56:21 +01:00
parent 7ec06b0d1d
commit 8de8f46f78
12 changed files with 73 additions and 42 deletions
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4
compiler/rustc_trait_selection/src/solve/fulfill.rs
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@ -2,6 +2,7 @@ use std::marker::PhantomData;
use std::mem;
use std::ops::ControlFlow;
use rustc_data_structures::thinvec::ExtractIf;
use rustc_infer::infer::InferCtxt;
use rustc_infer::traits::query::NoSolution;
use rustc_infer::traits::solve::{CandidateSource, GoalSource, MaybeCause};
@ -81,7 +82,8 @@ impl<'tcx> ObligationStorage<'tcx> {
// we get all obligations involved in the overflow. We pretty much check: if
// we were to do another step of `select_where_possible`, which goals would
// change.
self.overflowed.extend(self.pending.extract_if(|o| {
// FIXME: <https://github.com/Gankra/thin-vec/pull/66> is merged, this can be removed.
self.overflowed.extend(ExtractIf::new(&mut self.pending, |o| {
let goal = o.clone().into();
let result = <&SolverDelegate<'tcx>>::from(infcx)
.evaluate_root_goal(goal, GenerateProofTree::No)