bjoernager/rust
bjoernager/rust
1
Fork 0
Code Activity

ignore implied bounds with placeholders

Browse source
This commit is contained in:
Ali MJ Al-Nasrawy 2023-06-08 10:43:58 +00:00
parent 492e57c6ad
commit af79fd109b
4 changed files with 81 additions and 3 deletions
Download patch file Download diff file Expand all files Collapse all files

5
compiler/rustc_borrowck/src/type_check/free_region_relations.rs
View file

@ -7,7 +7,7 @@ use rustc_infer::infer::region_constraints::GenericKind;
use rustc_infer::infer::InferCtxt;
use rustc_middle::mir::ConstraintCategory;
use rustc_middle::traits::query::OutlivesBound;
use rustc_middle::ty::{self, RegionVid, Ty};
use rustc_middle::ty::{self, RegionVid, Ty, TypeVisitableExt};
use rustc_span::{ErrorGuaranteed, Span, DUMMY_SP};
use rustc_trait_selection::traits::query::type_op::{self, TypeOp};
use std::rc::Rc;
@ -321,6 +321,9 @@ impl<'tcx> UniversalRegionRelationsBuilder<'_, 'tcx> {
.map_err(|_: ErrorGuaranteed| debug!("failed to compute implied bounds {:?}", ty))
.ok()?;
debug!(?bounds, ?constraints);
// Because of #109628, we may have unexpected placeholders. Ignore them!
// FIXME(#109628): panic in this case once the issue is fixed.
let bounds = bounds.into_iter().filter(|bound| !bound.has_placeholders());
self.add_outlives_bounds(bounds);
constraints
}