bjoernager/rust
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respect the tcx's recursion limit when peeling

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This commit is contained in:
dianne 2025-03-09 17:02:34 -07:00
parent 923d95cc9f
commit 977c9ab7a2
4 changed files with 68 additions and 11 deletions
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10
compiler/rustc_hir_analysis/src/autoderef.rs
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@ -2,8 +2,8 @@ use rustc_infer::infer::InferCtxt;
use rustc_infer::traits::PredicateObligations;
use rustc_middle::ty::{self, Ty, TyCtxt, TypeVisitableExt};
use rustc_session::Limit;
use rustc_span::Span;
use rustc_span::def_id::{LOCAL_CRATE, LocalDefId};
use rustc_span::{ErrorGuaranteed, Span};
use rustc_trait_selection::traits::ObligationCtxt;
use tracing::{debug, instrument};
@ -259,7 +259,11 @@ impl<'a, 'tcx> Autoderef<'a, 'tcx> {
}
}
pub fn report_autoderef_recursion_limit_error<'tcx>(tcx: TyCtxt<'tcx>, span: Span, ty: Ty<'tcx>) {
pub fn report_autoderef_recursion_limit_error<'tcx>(
tcx: TyCtxt<'tcx>,
span: Span,
ty: Ty<'tcx>,
) -> ErrorGuaranteed {
// We've reached the recursion limit, error gracefully.
let suggested_limit = match tcx.recursion_limit() {
Limit(0) => Limit(2),
@ -270,5 +274,5 @@ pub fn report_autoderef_recursion_limit_error<'tcx>(tcx: TyCtxt<'tcx>, span: Spa
ty,
suggested_limit,
crate_name: tcx.crate_name(LOCAL_CRATE),
});
})
}