Rollup merge of rust-lang#150216 - reddevilmidzy:t13, r=Kivooeo

Tidying up tests/ui/issues 15 tests [6/N]

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

part of rust-lang#133895

r? Kivooeo

Author: matthiaskrgr

tests/ui/array-slice-vec/array-break-length.rs

@@ -1,3 +1,4 @@
+//! regression test for issue <https://github.com/rust-lang/rust/issues/36400>
 fn f(x: &mut u32) {}
 
 fn main() {

tests/ui/array-slice-vec/array-break-length.stderr

@@ -1,5 +1,5 @@
 error[E0596]: cannot borrow `*x` as mutable, as `x` is not declared as mutable
-  --> $DIR/issue-36400.rs:5:7
+  --> $DIR/borrow-immutable-deref-box.rs:6:7
    |
 LL |     f(&mut *x);
    |       ^^^^^^^ cannot borrow as mutable

tests/ui/issues/issue-36400.rs …i/borrowck/borrow-immutable-deref-box.rstests/ui/issues/issue-36400.rs renamed to tests/ui/borrowck/borrow-immutable-deref-box.rs tests/ui/issues/issue-36400.rs renamed to tests/ui/borrowck/borrow-immutable-deref-box.rs

@@ -0,0 +1,9 @@
+//! Test that `Box` cannot be used with a lifetime argument.
+//! regression test for issue <https://github.com/rust-lang/rust/issues/18423>
+
+struct Foo<'a> {
+    x: Box<'a, isize>,
+    //~^ ERROR struct takes 0 lifetime arguments but 1 lifetime argument was supplied
+}
+
+fn main() {}

tests/ui/issues/issue-36400.stderr …rrowck/borrow-immutable-deref-box.stderrtests/ui/issues/issue-36400.stderr renamed to tests/ui/borrowck/borrow-immutable-deref-box.stderr tests/ui/issues/issue-36400.stderr renamed to tests/ui/borrowck/borrow-immutable-deref-box.stderr

@@ -1,7 +1,7 @@
 error[E0107]: struct takes 0 lifetime arguments but 1 lifetime argument was supplied
-  --> $DIR/issue-18423.rs:4:8
+  --> $DIR/box-lifetime-argument-not-allowed.rs:5:8
    |
-LL |     x: Box<'a, isize>
+LL |     x: Box<'a, isize>,
    |        ^^^ -- help: remove the lifetime argument
    |        |
    |        expected 0 lifetime arguments

tests/ui/box/box-lifetime-argument-not-allowed.rs

@@ -1,29 +1,33 @@
-fn illegal_cast<U:?Sized,V:?Sized>(u: *const U) -> *const V
-{
+fn illegal_cast<U: ?Sized, V: ?Sized>(u: *const U) -> *const V {
     u as *const V //~ ERROR is invalid
 }
 
-fn illegal_cast_2<U:?Sized>(u: *const U) -> *const str
-{
+fn illegal_cast_2<U: ?Sized>(u: *const U) -> *const str {
     u as *const str //~ ERROR is invalid
 }
 
-trait Foo { fn foo(&self) {} }
+trait Foo {
+    fn foo(&self) {}
+}
 impl<T> Foo for T {}
 
-trait Bar { fn foo(&self) {} }
+trait Bar {
+    fn foo(&self) {}
+}
 impl<T> Bar for T {}
 
 enum E {
-    A, B
+    A,
+    B,
 }
 
-fn main()
-{
+struct Inches(i32);
+
+fn main() {
     let f: f32 = 1.2;
     let v = core::ptr::null::<u8>();
-    let fat_v : *const [u8] = unsafe { &*core::ptr::null::<[u8; 1]>()};
-    let fat_sv : *const [i8] = unsafe { &*core::ptr::null::<[i8; 1]>()};
+    let fat_v: *const [u8] = unsafe { &*core::ptr::null::<[u8; 1]>() };
+    let fat_sv: *const [i8] = unsafe { &*core::ptr::null::<[i8; 1]>() };
     let foo: &dyn Foo = &f;
 
     let _ = v as &u8; //~ ERROR non-primitive cast
@@ -39,6 +43,7 @@ fn main()
     let _ = 3_i32 as bool; //~ ERROR cannot cast
     let _ = E::A as bool; //~ ERROR cannot cast
     let _ = 0x61u32 as char; //~ ERROR can be cast as
+    let _ = Inches as f32; //~ ERROR is invalid
 
     let _ = false as f32; //~ ERROR is invalid
     let _ = E::A as f32; //~ ERROR is invalid
@@ -58,7 +63,7 @@ fn main()
     let _ = &f as *const f64; //~ ERROR is invalid
     let _ = fat_sv as usize; //~ ERROR is invalid
 
-    let a : *const str = "hello";
+    let a: *const str = "hello";
     let _ = a as *const dyn Foo; //~ ERROR the size for values of type
 
     // check no error cascade