Rollup merge of #108449 - fee1-dead-contrib:do_not_lint_unresolved, r=compiler-errors
Do not lint ineffective unstable trait impl for unresolved trait
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commit
a223ff7cea
3 changed files with 21 additions and 1 deletions
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@ -748,7 +748,10 @@ impl<'tcx> Visitor<'tcx> for Checker<'tcx> {
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let mut c = CheckTraitImplStable { tcx: self.tcx, fully_stable: true };
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let mut c = CheckTraitImplStable { tcx: self.tcx, fully_stable: true };
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c.visit_ty(self_ty);
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c.visit_ty(self_ty);
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c.visit_trait_ref(t);
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c.visit_trait_ref(t);
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if c.fully_stable {
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// do not lint when the trait isn't resolved, since resolution error should
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// be fixed first
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if t.path.res != Res::Err && c.fully_stable {
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self.tcx.struct_span_lint_hir(
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self.tcx.struct_span_lint_hir(
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INEFFECTIVE_UNSTABLE_TRAIT_IMPL,
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INEFFECTIVE_UNSTABLE_TRAIT_IMPL,
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item.hir_id(),
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item.hir_id(),
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@ -0,0 +1,8 @@
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#![feature(staged_api)]
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#![stable(feature = "uwu", since = "1.0.0")]
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#[unstable(feature = "foo", issue = "none")]
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impl Foo for () {}
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//~^ ERROR cannot find trait `Foo` in this scope
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fn main() {}
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@ -0,0 +1,9 @@
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error[E0405]: cannot find trait `Foo` in this scope
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--> $DIR/unresolved_stability_lint.rs:5:6
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LL | impl Foo for () {}
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| ^^^ not found in this scope
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error: aborting due to previous error
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For more information about this error, try `rustc --explain E0405`.
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