Do not use effective_visibilities query for Adt types of a local trait while proving a where-clause

Signed-off-by: xizheyin <xizheyin@smail.nju.edu.cn>

2 files changed, 31 insertions, 0 deletions

diff --git a/tests/ui/trait-bounds/trait-bound-adt-issue-145611.rs b/tests/ui/trait-bounds/trait-bound-adt-issue-145611.rs
new file mode 100644
index 00000000000..74551ce493f
--- /dev/null
+++ b/tests/ui/trait-bounds/trait-bound-adt-issue-145611.rs
@@ -0,0 +1,11 @@
+// This test is for regression of issue #145611
+// There should not be cycle error in effective_visibilities query.
+
+trait LocalTrait {}
+struct SomeType;
+fn impls_trait<T: LocalTrait>() {}
+fn foo() -> impl Sized {
+    impls_trait::<SomeType>(); //~ ERROR the trait bound `SomeType: LocalTrait` is not satisfied [E0277]
+}
+
+fn main() {}
diff --git a/tests/ui/trait-bounds/trait-bound-adt-issue-145611.stderr b/tests/ui/trait-bounds/trait-bound-adt-issue-145611.stderr
new file mode 100644
index 00000000000..21a2cce20cb
--- /dev/null
+++ b/tests/ui/trait-bounds/trait-bound-adt-issue-145611.stderr
@@ -0,0 +1,20 @@
+error[E0277]: the trait bound `SomeType: LocalTrait` is not satisfied
+  --> $DIR/trait-bound-adt-issue-145611.rs:8:19
+   |
+LL |     impls_trait::<SomeType>();
+   |                   ^^^^^^^^ the trait `LocalTrait` is not implemented for `SomeType`
+   |
+help: this trait has no implementations, consider adding one
+  --> $DIR/trait-bound-adt-issue-145611.rs:4:1
+   |
+LL | trait LocalTrait {}
+   | ^^^^^^^^^^^^^^^^
+note: required by a bound in `impls_trait`
+  --> $DIR/trait-bound-adt-issue-145611.rs:6:19
+   |
+LL | fn impls_trait<T: LocalTrait>() {}
+   |                   ^^^^^^^^^^ required by this bound in `impls_trait`
+
+error: aborting due to 1 previous error
+
+For more information about this error, try `rustc --explain E0277`.