diagnostics: add test case for trait bounds diagnostic

Closes rust-lang#82038 It was fixed by b8e5ab2, a wide-reaching obligation tracking improvement. This commit adds a test case.
rust-lang-ci · Sep 7, 2023 · 31e5dd3 · 31e5dd3
1 parent 70c7e4d
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diff --git a/tests/ui/trait-bounds/issue-82038.rs b/tests/ui/trait-bounds/issue-82038.rs
@@ -0,0 +1,9 @@
+// Failed bound `bool: Foo` must not point at the `Self: Clone` line
+
+trait Foo {
+    fn my_method() where Self: Clone;
+}
+
+fn main() {
+    <bool as Foo>::my_method(); //~ERROR [E0277]
+}
diff --git a/tests/ui/trait-bounds/issue-82038.stderr b/tests/ui/trait-bounds/issue-82038.stderr
@@ -0,0 +1,9 @@
+error[E0277]: the trait bound `bool: Foo` is not satisfied
+  --> $DIR/issue-82038.rs:8:6
+   |
+LL |     <bool as Foo>::my_method();
+   |      ^^^^ the trait `Foo` is not implemented for `bool`
+
+error: aborting due to previous error
+
+For more information about this error, try `rustc --explain E0277`.