Unrolled build for #149767

Rollup merge of #149767 - reddevilmidzy:t11, r=Kivooeo

Tidying up tests/ui/issues 33 tests [4/N]

> [!NOTE]
> Intermediate commits are intended to help review, but will be squashed add comment commit prior to merge.

part of #133895

`tests/ui/compile-flags` split it into `tests/ui/compile-flags/invalid/` and `tests/ui/compile-flags/run-pass/`

r? Kivooeo

Author: rust-timer

tests/ui/README.md

@@ -1,6 +1,7 @@
+//! regression test for issue https://github.com/rust-lang/rust/issues/46472
 fn bar<'a>() -> &'a mut u32 {
     &mut 4
     //~^ ERROR cannot return reference to temporary value [E0515]
 }
 
-fn main() { }
+fn main() {}

tests/ui/issues/issue-46472.rs …s/ui/borrowck/return-ref-to-temporary.rstests/ui/issues/issue-46472.rs renamed to tests/ui/borrowck/return-ref-to-temporary.rs tests/ui/issues/issue-46472.rs renamed to tests/ui/borrowck/return-ref-to-temporary.rs

@@ -1,5 +1,5 @@
 error[E0515]: cannot return reference to temporary value
-  --> $DIR/issue-46472.rs:2:5
+  --> $DIR/return-ref-to-temporary.rs:3:5
    |
 LL |     &mut 4
    |     ^^^^^-

tests/ui/issues/issue-46472.stderr …/borrowck/return-ref-to-temporary.stderrtests/ui/issues/issue-46472.stderr renamed to tests/ui/borrowck/return-ref-to-temporary.stderr tests/ui/issues/issue-46472.stderr renamed to tests/ui/borrowck/return-ref-to-temporary.stderr

@@ -7,8 +7,9 @@
 // reasonable examples) let to ambiguity errors about not being able
 // to infer sufficient type information.
 
-
 fn main() {
     let n = 0;
-    let it = Some(1_usize).into_iter().inspect(|_| {n;});
+    let it = Some(1_usize).into_iter().inspect(|_| {
+        n;
+    });
 }

tests/ui/issues/issue-19499.rs …/closures/closure-upvar-trait-caching.rstests/ui/issues/issue-19499.rs renamed to tests/ui/closures/closure-upvar-trait-caching.rs tests/ui/issues/issue-19499.rs renamed to tests/ui/closures/closure-upvar-trait-caching.rs

@@ -0,0 +1,5 @@
+//! regression test for https://github.com/rust-lang/rust/issues/24779
+//@ run-pass
+fn main() {
+    assert_eq!((|| || 42)()(), 42);
+}