Adding upstream version 1.68.2+dfsg1.upstream/1.68.2+dfsg1

Signed-off-by: Daniel Baumann <daniel.baumann@progress-linux.org>

1 files changed, 32 insertions, 0 deletions

diff --git a/tests/ui/coercion/coerce-expect-unsized-ascribed.rs b/tests/ui/coercion/coerce-expect-unsized-ascribed.rs
new file mode 100644
index 000000000..d7b11317a
--- /dev/null
+++ b/tests/ui/coercion/coerce-expect-unsized-ascribed.rs
@@ -0,0 +1,32 @@
+// A version of coerce-expect-unsized that uses type ascription.
+// Doesn't work so far, but supposed to work eventually
+
+#![feature(box_syntax, type_ascription)]
+
+use std::fmt::Debug;
+
+pub fn main() {
+    let _ = type_ascribe!(box { [1, 2, 3] }, Box<[i32]>); //~ ERROR mismatched types
+    let _ = type_ascribe!(box if true { [1, 2, 3] } else { [1, 3, 4] }, Box<[i32]>); //~ ERROR mismatched types
+    let _ = type_ascribe!(box match true { true => [1, 2, 3], false => [1, 3, 4] }, Box<[i32]>);
+    //~^ ERROR mismatched types
+    let _ = type_ascribe!(box { |x| (x as u8) }, Box<dyn Fn(i32) -> _>); //~ ERROR mismatched types
+    let _ = type_ascribe!(box if true { false } else { true }, Box<dyn Debug>); //~ ERROR mismatched types
+    let _ = type_ascribe!(box match true { true => 'a', false => 'b' }, Box<dyn Debug>); //~ ERROR mismatched types
+
+    let _ = type_ascribe!(&{ [1, 2, 3] }, &[i32]); //~ ERROR mismatched types
+    let _ = type_ascribe!(&if true { [1, 2, 3] } else { [1, 3, 4] }, &[i32]); //~ ERROR mismatched types
+    let _ = type_ascribe!(&match true { true => [1, 2, 3], false => [1, 3, 4] }, &[i32]);
+    //~^ ERROR mismatched types
+    let _ = type_ascribe!(&{ |x| (x as u8) }, &dyn Fn(i32) -> _); //~ ERROR mismatched types
+    let _ = type_ascribe!(&if true { false } else { true }, &dyn Debug); //~ ERROR mismatched types
+    let _ = type_ascribe!(&match true { true => 'a', false => 'b' }, &dyn Debug); //~ ERROR mismatched types
+
+    let _ = type_ascribe!(Box::new([1, 2, 3]), Box<[i32]>); //~ ERROR mismatched types
+    let _ = type_ascribe!(Box::new(|x| (x as u8)), Box<dyn Fn(i32) -> _>); //~ ERROR mismatched types
+
+    let _ = type_ascribe!(vec![
+        Box::new(|x| (x as u8)),
+        box |x| (x as i16 as u8),
+    ], Vec<Box<dyn Fn(i32) -> _>>);
+}