Rollup merge of rust-lang#158003 - zedddie:gsoc-batch-9-meow, r=Kivooeo

Reorganize `tests/ui/issues` [9/N]

Part of [GSoC'26 project](https://rust-lang.zulipchat.com/#narrow/channel/421156-gsoc/topic/Project.3A.20Reorganizing.20tests.2Fui.2Fissues)

r? Kivooeo
@Teapot4195

Author: jhpratt

tests/ui/issues/issue-22036.rs …soc-type-projection-in-default-method.rstests/ui/issues/issue-22036.rs renamed to tests/ui/associated-types/assoc-type-projection-in-default-method.rs tests/ui/issues/issue-22036.rs renamed to 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 …ciated-type-projection-alias-in-field.rstests/ui/issues/issue-22356.rs renamed to tests/ui/associated-types/associated-type-projection-alias-in-field.rs tests/ui/issues/issue-22356.rs renamed to 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 …/associated-types/ret-associated-type.rstests/ui/issues/issue-22258.rs renamed to tests/ui/associated-types/ret-associated-type.rs tests/ui/issues/issue-22258.rs renamed to 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 …-bound-references-own-associated-type.rstests/ui/issues/issue-22673.rs renamed to tests/ui/associated-types/supertrait-bound-references-own-associated-type.rs tests/ui/issues/issue-22673.rs renamed to 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 …ck/no-dropck-overflow-on-deep-nesting.rstests/ui/issues/issue-22777.rs renamed to tests/ui/dropck/no-dropck-overflow-on-deep-nesting.rs tests/ui/issues/issue-22777.rs renamed to 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-22370.rs

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