Reorganize tests/ui/issues [5/N]

tests/ui/issues/issue-19037.rs → tests/ui/derives/clone-copy/clone-ref-to-dst.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19037>.
+
 //@ check-pass
 #![allow(dead_code)]
 

tests/ui/issues/issue-19380.rs → tests/ui/dyn-compatibility/dyn-incompat-const-slice.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19380>.
+
 trait Qiz {
   fn qiz();
 }

tests/ui/issues/issue-19380.stderr → tests/ui/dyn-compatibility/dyn-incompat-const-slice.stderr

@@ -1,12 +1,12 @@
 error[E0038]: the trait `Qiz` is not dyn compatible
-  --> $DIR/issue-19380.rs:11:29
+  --> $DIR/dyn-incompat-const-slice.rs:13:29
    |
 LL |   foos: &'static [&'static (dyn Qiz + 'static)]
    |                             ^^^^^^^^^^^^^^^^^ `Qiz` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-19380.rs:2:6
+  --> $DIR/dyn-incompat-const-slice.rs:4:6
    |
 LL | trait Qiz {
    |       --- this trait is not dyn compatible...
@@ -23,14 +23,14 @@ LL |   fn qiz() where Self: Sized;
    |            +++++++++++++++++
 
 error[E0038]: the trait `Qiz` is not dyn compatible
-  --> $DIR/issue-19380.rs:16:31
+  --> $DIR/dyn-incompat-const-slice.rs:18:31
    |
 LL | const BAR : Bar = Bar { foos: &[&FOO]};
    |                               ^^^^^^^ `Qiz` is not dyn compatible
    |
 note: for a trait to be dyn compatible it needs to allow building a vtable
       for more information, visit <https://doc.rust-lang.org/reference/items/traits.html#dyn-compatibility>
-  --> $DIR/issue-19380.rs:2:6
+  --> $DIR/dyn-incompat-const-slice.rs:4:6
    |
 LL | trait Qiz {
    |       --- this trait is not dyn compatible...

tests/ui/issues/issue-19982.rs → tests/ui/fn_traits/manual-fn-impl-lifetime-elision.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19982>.
+
 //@ check-pass
 
 #![feature(fn_traits, unboxed_closures)]

tests/ui/issues/issue-19135.rs → tests/ui/higher-ranked/trait-bounds/hrtb-closure-lifetime-infer.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19135>.
+
 //@ run-pass
 use std::marker::PhantomData;
 

tests/ui/issues/issue-19098.rs → tests/ui/higher-ranked/trait-bounds/hrtb-unused-lifetime.rs

@@ -1,3 +1,6 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19098>.
+//! Tests that we don't ICE from unused lifetime in HRTB.
+
 //@ check-pass
 pub trait Handler {
     fn handle(&self, _: &mut String);

tests/ui/issues/issue-19367.rs → tests/ui/match/match-field-reassign.rs

@@ -1,3 +1,8 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19367>.
+//!
+//! Make sure we don't reuse the same alloca when matching
+//! on field of struct or tuple which we reassign in the match body.
+
 //@ run-pass
 
 #![allow(unused_assignments)]
@@ -6,9 +11,6 @@ struct S {
     o: Option<String>
 }
 
-// Make sure we don't reuse the same alloca when matching
-// on field of struct or tuple which we reassign in the match body.
-
 fn main() {
     let mut a = (0, Some("right".to_string()));
     let b = match a.1 {

tests/ui/issues/issue-19086.rs → tests/ui/pattern/struct-variant-as-tuple-variant.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19086>.
+
 use Foo::FooB;
 
 enum Foo {

tests/ui/issues/issue-19086.stderr → tests/ui/pattern/struct-variant-as-tuple-variant.stderr

@@ -1,5 +1,5 @@
 error[E0532]: expected tuple struct or tuple variant, found variant `FooB`
-  --> $DIR/issue-19086.rs:10:9
+  --> $DIR/struct-variant-as-tuple-variant.rs:12:9
    |
 LL |     FooB { x: i32, y: i32 }
    |     ----------------------- `FooB` defined here

tests/ui/issues/issue-19811-escape-unicode.rs → tests/ui/str/char-escape-unicode.rs

@@ -1,3 +1,4 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19811>.
 //@ run-pass
 
 fn main() {

tests/ui/issues/issue-21332.rs → tests/ui/traits/error-reporting/incompatible-method-multiline.rs

@@ -1,3 +1,6 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/21332>.
+//! Ensure multi-line error formatting for "method has incompatible type for trait" diagnostics.
+
 struct S;
 
 impl Iterator for S {

tests/ui/issues/issue-21332.stderr → tests/ui/traits/error-reporting/incompatible-method-multiline.stderr

@@ -1,5 +1,5 @@
 error[E0053]: method `next` has an incompatible type for trait
-  --> $DIR/issue-21332.rs:5:27
+  --> $DIR/incompatible-method-multiline.rs:8:27
    |
 LL |     fn next(&mut self) -> Result<i32, i32> { Ok(7) }
    |                           ^^^^^^^^^^^^^^^^ expected `Option<i32>`, found `Result<i32, i32>`

tests/ui/issues/issue-19404.rs → tests/ui/traits/object/inherent-method-on-dyn-with-rc-coercion.rs

@@ -1,3 +1,5 @@
+//! Regression test for <https://github.com/rust-lang/rust/issues/19404>
+
 //@ build-pass
 #![allow(dead_code)]
 #![allow(unused_variables)]