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Rollup merge of #127146 - compiler-errors:fast-reject, r=lcnr

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Uplift fast rejection to new solver

Self explanatory.

r? lcnr
This commit is contained in:
Matthias Krüger 2024-07-02 17:47:47 +02:00 • committed by GitHub
commit 36da46ab98
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GPG key ID: B5690EEEBB952194
13 changed files with 419 additions and 402 deletions
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4
compiler/rustc_next_trait_solver/src/solve/trait_goals.rs
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@ -2,6 +2,7 @@
use rustc_ast_ir::Movability;
use rustc_type_ir::data_structures::IndexSet;
use rustc_type_ir::fast_reject::{DeepRejectCtxt, TreatParams};
use rustc_type_ir::inherent::*;
use rustc_type_ir::lang_items::TraitSolverLangItem;
use rustc_type_ir::visit::TypeVisitableExt as _;
@ -46,7 +47,8 @@ where
let cx = ecx.cx();
let impl_trait_ref = cx.impl_trait_ref(impl_def_id);
if !cx.args_may_unify_deep(goal.predicate.trait_ref.args, impl_trait_ref.skip_binder().args)
if !DeepRejectCtxt::new(ecx.cx(), TreatParams::ForLookup)
.args_may_unify(goal.predicate.trait_ref.args, impl_trait_ref.skip_binder().args)
{
return Err(NoSolution);
}