diff --git a/compiler/rustc_resolve/src/effective_visibilities.rs b/compiler/rustc_resolve/src/effective_visibilities.rs index eb210532f51..46f5df5ca6f 100644 --- a/compiler/rustc_resolve/src/effective_visibilities.rs +++ b/compiler/rustc_resolve/src/effective_visibilities.rs @@ -128,11 +128,14 @@ impl<'r, 'a, 'tcx> EffectiveVisibilitiesVisitor<'r, 'a, 'tcx> { // If the binding is ambiguous, put the root ambiguity binding and all reexports // leading to it into the table. They are used by the `ambiguous_glob_reexports` // lint. For all bindings added to the table this way `is_ambiguity` returns true. + let is_ambiguity = + |binding: NameBinding<'a>, warn: bool| binding.ambiguity.is_some() && !warn; let mut parent_id = ParentId::Def(module_id); + let mut warn_ambiguity = binding.warn_ambiguity; while let NameBindingKind::Import { binding: nested_binding, .. } = binding.kind { self.update_import(binding, parent_id); - if binding.ambiguity.is_some() { + if is_ambiguity(binding, warn_ambiguity) { // Stop at the root ambiguity, further bindings in the chain should not // be reexported because the root ambiguity blocks any access to them. // (Those further bindings are most likely not ambiguities themselves.) @@ -141,9 +144,9 @@ impl<'r, 'a, 'tcx> EffectiveVisibilitiesVisitor<'r, 'a, 'tcx> { parent_id = ParentId::Import(binding); binding = nested_binding; + warn_ambiguity |= nested_binding.warn_ambiguity; } - - if binding.ambiguity.is_none() + if !is_ambiguity(binding, warn_ambiguity) && let Some(def_id) = binding.res().opt_def_id().and_then(|id| id.as_local()) { self.update_def(def_id, binding.vis.expect_local(), parent_id); } diff --git a/tests/ui/imports/ambiguous-4.rs b/tests/ui/imports/ambiguous-4.rs index 10f883339c3..24ae33784c5 100644 --- a/tests/ui/imports/ambiguous-4.rs +++ b/tests/ui/imports/ambiguous-4.rs @@ -1,4 +1,4 @@ -// check-pass +// build-pass // aux-build: ../ambiguous-4-extern.rs extern crate ambiguous_4_extern;