diff options
Diffstat (limited to 'compiler/rustc_hir_analysis/src/coherence/mod.rs')
-rw-r--r-- | compiler/rustc_hir_analysis/src/coherence/mod.rs | 13 |
1 files changed, 4 insertions, 9 deletions
diff --git a/compiler/rustc_hir_analysis/src/coherence/mod.rs b/compiler/rustc_hir_analysis/src/coherence/mod.rs index 465e787c9..4524b87a4 100644 --- a/compiler/rustc_hir_analysis/src/coherence/mod.rs +++ b/compiler/rustc_hir_analysis/src/coherence/mod.rs @@ -5,9 +5,10 @@ // done by the orphan and overlap modules. Then we build up various // mappings. That mapping code resides here. +use crate::errors; use rustc_errors::{error_code, struct_span_err}; use rustc_hir::def_id::{DefId, LocalDefId}; -use rustc_middle::ty::query::Providers; +use rustc_middle::query::Providers; use rustc_middle::ty::{self, TyCtxt, TypeVisitableExt}; use rustc_span::sym; use rustc_trait_selection::traits; @@ -22,7 +23,7 @@ fn check_impl(tcx: TyCtxt<'_>, impl_def_id: LocalDefId, trait_ref: ty::TraitRef< debug!( "(checking implementation) adding impl for trait '{:?}', item '{}'", trait_ref, - tcx.def_path_str(impl_def_id.to_def_id()) + tcx.def_path_str(impl_def_id) ); // Skip impls where one of the self type is an error type. @@ -67,13 +68,7 @@ fn enforce_trait_manually_implementable( tcx.trait_def(trait_def_id).specialization_kind { if !tcx.features().specialization && !tcx.features().min_specialization { - tcx.sess - .struct_span_err( - impl_header_span, - "implementing `rustc_specialization_trait` traits is unstable", - ) - .help("add `#![feature(min_specialization)]` to the crate attributes to enable") - .emit(); + tcx.sess.emit_err(errors::SpecializationTrait { span: impl_header_span }); return; } } |