diff --git a/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs b/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs index 9fa374a53fc..455de47acef 100644 --- a/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs +++ b/compiler/rustc_infer/src/infer/lexical_region_resolve/mod.rs @@ -823,10 +823,11 @@ impl<'cx, 'tcx> LexicalResolver<'cx, 'tcx> { ) -> bool { match bound { VerifyBound::IfEq(verify_if_eq_b) => { + let verify_if_eq_b = var_values.normalize(self.region_rels.tcx, *verify_if_eq_b); match test_type_match::extract_verify_if_eq( self.tcx(), self.param_env, - verify_if_eq_b, + &verify_if_eq_b, generic_ty, ) { Some(r) => { diff --git a/src/test/ui/nll/vimwiki-core-regression.rs b/src/test/ui/nll/vimwiki-core-regression.rs new file mode 100644 index 00000000000..0a4ed7e0a40 --- /dev/null +++ b/src/test/ui/nll/vimwiki-core-regression.rs @@ -0,0 +1,37 @@ +// check-pass +// +// Regression test from crater run for +// . + + +pub trait ElementLike {} + +pub struct Located where T: ElementLike { + inner: T, +} + +pub struct BlockElement<'a>(&'a str); + +impl ElementLike for BlockElement<'_> {} + + +pub struct Page<'a> { + /// Comprised of the elements within a page + pub elements: Vec>>, +} + +impl<'a, __IdxT> std::ops::Index<__IdxT> for Page<'a> where + Vec>>: std::ops::Index<__IdxT> +{ + type Output = + >> as + std::ops::Index<__IdxT>>::Output; + + #[inline] + fn index(&self, idx: __IdxT) -> &Self::Output { + >> as + std::ops::Index<__IdxT>>::index(&self.elements, idx) + } +} + +fn main() {}