Reorganize tests/ui/issues [9/N]

tests/ui/issues/issue-22036.rs → tests/ui/associated-types/assoc-type-projection-in-default-method.rs

@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22036>.
 //@ run-pass
 
 trait DigitCollection: Sized {

tests/ui/issues/issue-22356.rs → tests/ui/associated-types/associated-type-projection-alias-in-field.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22356>.
+
 //@ check-pass
 #![allow(type_alias_bounds)]
 

tests/ui/associated-types/normalize-assoc-types.rs

@@ -0,0 +1,14 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22629>.
+//! Test transitive analysis for associated types. Collected types
+//! should be normalized and new obligations generated.
+
+//@ run-pass
+#![allow(unused_imports)]
+
+use std::borrow::{ToOwned, Cow};
+
+fn assert_send<T: Send>(_: T) {}
+
+fn main() {
+    assert_send(Cow::Borrowed("foo"));
+}

tests/ui/issues/issue-22258.rs → tests/ui/associated-types/ret-associated-type.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22258>.
+
 //@ run-pass
 use std::ops::Add;
 

tests/ui/issues/issue-22673.rs → tests/ui/associated-types/supertrait-bound-references-own-associated-type.rs

@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22673>.
 //@ check-pass
 
 trait Expr: PartialEq<Self::Item> {

tests/ui/issues/issue-22777.rs → tests/ui/dropck/no-dropck-overflow-on-deep-nesting.rs

@@ -1,7 +1,10 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22443>.
+//!
+//! This test is reduced from librustc_ast.  It is just checking that we
+//! can successfully deal with a "deep" structure, which the drop-check
+//! was hitting a recursion limit on at one point.
+
 //@ check-pass
-// This test is reduced from librustc_ast.  It is just checking that we
-// can successfully deal with a "deep" structure, which the drop-check
-// was hitting a recursion limit on at one point.
 
 
 #![allow(non_camel_case_types)]

tests/ui/issues/issue-22638.rs → tests/ui/recursion/infinite-instantiation-via-nested-closures.rs

@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22638>.
 //@ build-fail
 
 #![allow(unused)]

tests/ui/issues/issue-22638.stderr → tests/ui/recursion/infinite-instantiation-via-nested-closures.stderr

@@ -1,11 +1,11 @@
-error: reached the recursion limit while instantiating `A::matches::<{closure@$DIR/issue-22638.rs:42:23: 42:25}>`
-  --> $DIR/issue-22638.rs:54:9
+error: reached the recursion limit while instantiating `A::matches::<{closure@$DIR/infinite-instantiation-via-nested-closures.rs:43:23: 43:25}>`
+  --> $DIR/infinite-instantiation-via-nested-closures.rs:55:9
    |
 LL |         a.matches(f)
    |         ^^^^^^^^^^^^
    |
 note: `A::matches` defined here
-  --> $DIR/issue-22638.rs:13:5
+  --> $DIR/infinite-instantiation-via-nested-closures.rs:14:5
    |
 LL |     pub fn matches<F: Fn()>(&self, f: &F) {
    |     ^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^

tests/ui/issues/issue-22471.rs → tests/ui/type-alias/where-clause-on-generic-type-alias.rs

@@ -1,5 +1,6 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22471>.
+
 //@ check-pass
-#![allow(dead_code)]
 #![allow(type_alias_bounds)]
 
 type Foo<T> where T: Copy = Box<T>;

tests/ui/issues/issue-22603.rs → tests/ui/unboxed-closures/fnonce-impl-on-unit-struct.rs

@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/22603>.
 //@ check-pass
 
 #![feature(unboxed_closures, fn_traits)]