diff options
Diffstat (limited to 'compiler/rustc_middle/src/traits/specialization_graph.rs')
| -rw-r--r-- | compiler/rustc_middle/src/traits/specialization_graph.rs | 4 |
1 files changed, 3 insertions, 1 deletions
diff --git a/compiler/rustc_middle/src/traits/specialization_graph.rs b/compiler/rustc_middle/src/traits/specialization_graph.rs index aad5b2fbe07..772517c6970 100644 --- a/compiler/rustc_middle/src/traits/specialization_graph.rs +++ b/compiler/rustc_middle/src/traits/specialization_graph.rs @@ -263,7 +263,9 @@ pub fn ancestors( if let Some(reported) = specialization_graph.has_errored { Err(reported) - } else if let Err(reported) = tcx.type_of(start_from_impl).error_reported() { + } else if let Err(reported) = + tcx.bound_type_of(start_from_impl).subst_identity().error_reported() + { Err(reported) } else { Ok(Ancestors { |