From d9bb93f3a40871e54d8d1cecd239af9b0d96c7d5 Mon Sep 17 00:00:00 2001 From: Oli Scherer Date: Wed, 2 Feb 2022 17:15:18 +0000 Subject: Fix some doctests where the main function returns an opaque type --- compiler/rustc_trait_selection/src/traits/codegen.rs | 5 +++++ 1 file changed, 5 insertions(+) diff --git a/compiler/rustc_trait_selection/src/traits/codegen.rs b/compiler/rustc_trait_selection/src/traits/codegen.rs index 759bc696981..04a7da06063 100644 --- a/compiler/rustc_trait_selection/src/traits/codegen.rs +++ b/compiler/rustc_trait_selection/src/traits/codegen.rs @@ -90,6 +90,11 @@ pub fn codegen_fulfill_obligation<'tcx>( }); let impl_source = drain_fulfillment_cx_or_panic(&infcx, &mut fulfill_cx, impl_source); + // We may constrain the hidden types of opaque types in this query, but this is + // not information our callers need, as all that information is handled by borrowck + // and typeck. + drop(infcx.inner.borrow_mut().opaque_type_storage.take_opaque_types()); + debug!("Cache miss: {:?} => {:?}", trait_ref, impl_source); Ok(impl_source) }) -- cgit 1.4.1-3-g733a5