diff --git a/compiler/rustc_resolve/src/imports.rs b/compiler/rustc_resolve/src/imports.rs index bf8a2f269dd57..adff4542b0ff8 100644 --- a/compiler/rustc_resolve/src/imports.rs +++ b/compiler/rustc_resolve/src/imports.rs @@ -875,12 +875,6 @@ impl<'a, 'b> ImportResolver<'a, 'b> { /// consolidate multiple unresolved import errors into a single diagnostic. fn finalize_import(&mut self, import: &'b Import<'b>) -> Option { let orig_vis = import.vis.replace(ty::Visibility::Invisible); - let orig_unusable_binding = match &import.kind { - ImportKind::Single { target_bindings, .. } => { - Some(mem::replace(&mut self.r.unusable_binding, target_bindings[TypeNS].get())) - } - _ => None, - }; let prev_ambiguity_errors_len = self.r.ambiguity_errors.len(); let path_res = self.r.resolve_path( &import.module_path, @@ -891,9 +885,6 @@ impl<'a, 'b> ImportResolver<'a, 'b> { import.crate_lint(), ); let no_ambiguity = self.r.ambiguity_errors.len() == prev_ambiguity_errors_len; - if let Some(orig_unusable_binding) = orig_unusable_binding { - self.r.unusable_binding = orig_unusable_binding; - } import.vis.set(orig_vis); if let PathResult::Failed { .. } | PathResult::NonModule(..) = path_res { // Consider erroneous imports used to avoid duplicate diagnostics. @@ -904,7 +895,8 @@ impl<'a, 'b> ImportResolver<'a, 'b> { // Consistency checks, analogous to `finalize_macro_resolutions`. if let Some(initial_module) = import.imported_module.get() { if !ModuleOrUniformRoot::same_def(module, initial_module) && no_ambiguity { - span_bug!(import.span, "inconsistent resolution for an import"); + let msg = "inconsistent resolution for an import"; + self.r.session.span_err(import.span, msg); } } else { if self.r.privacy_errors.is_empty() { @@ -926,7 +918,6 @@ impl<'a, 'b> ImportResolver<'a, 'b> { } PathResult::Failed { is_error_from_last_segment: true, span, label, suggestion } => { if no_ambiguity { - assert!(import.imported_module.get().is_none()); let err = match self.make_path_suggestion( span, import.module_path.clone(), diff --git a/src/test/ui/imports/issue-62767.rs b/src/test/ui/imports/issue-62767.rs index 984d3f0ca92f4..0e0f915ea53c2 100644 --- a/src/test/ui/imports/issue-62767.rs +++ b/src/test/ui/imports/issue-62767.rs @@ -1,5 +1,4 @@ -// check-pass - +// Minimized case from #62767. mod m { pub enum Same { Same, @@ -8,8 +7,22 @@ mod m { use m::*; -// The variant `Same` introduced by this import is not considered when resolving the prefix -// `Same::` during import validation (issue #62767). -use Same::Same; +// The variant `Same` introduced by this import is also considered when resolving the prefix +// `Same::` during import validation to avoid effects similar to time travel (#74556). +use Same::Same; //~ ERROR unresolved import `Same` + +// Case from #74556. +mod foo { + pub mod bar { + pub mod bar { + pub fn foobar() {} + } + } +} + +use foo::*; +use bar::bar; //~ ERROR unresolved import `bar::bar` + //~| ERROR inconsistent resolution for an import +use bar::foobar; fn main() {} diff --git a/src/test/ui/imports/issue-62767.stderr b/src/test/ui/imports/issue-62767.stderr new file mode 100644 index 0000000000000..a4334bda6dd87 --- /dev/null +++ b/src/test/ui/imports/issue-62767.stderr @@ -0,0 +1,21 @@ +error: inconsistent resolution for an import + --> $DIR/issue-62767.rs:24:5 + | +LL | use bar::bar; + | ^^^^^^^^ + +error[E0432]: unresolved import `Same` + --> $DIR/issue-62767.rs:12:5 + | +LL | use Same::Same; + | ^^^^ `Same` is a variant, not a module + +error[E0432]: unresolved import `bar::bar` + --> $DIR/issue-62767.rs:24:5 + | +LL | use bar::bar; + | ^^^^^^^^ no `bar` in `foo::bar::bar` + +error: aborting due to 3 previous errors + +For more information about this error, try `rustc --explain E0432`.