Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 74 insertions, 0 deletions

diff --git a/tests/ui/trivial-bounds/trivial-bounds-inconsistent.rs b/tests/ui/trivial-bounds/trivial-bounds-inconsistent.rs
new file mode 100644
index 000000000..7148f5d6d
--- /dev/null
+++ b/tests/ui/trivial-bounds/trivial-bounds-inconsistent.rs
@@ -0,0 +1,74 @@
+// run-pass
+
+// Check that tautalogically false bounds are accepted, and are used
+// in type inference.
+#![feature(trivial_bounds)]
+#![allow(unused)]
+
+pub trait Foo {
+    fn test(&self);
+}
+
+fn generic_function<X: Foo>(x: X) {}
+
+enum E where i32: Foo { V } //~ WARNING trivial_bounds
+
+struct S where i32: Foo; //~ WARNING trivial_bounds
+
+trait T where i32: Foo {} //~ WARNING trivial_bounds
+
+union U where i32: Foo { f: i32 } //~ WARNING trivial_bounds
+
+type Y where i32: Foo = ();
+//~^ WARNING type_alias_bounds
+//~| WARNING trivial_bounds
+
+impl Foo for () where i32: Foo { //~ WARNING trivial_bounds
+    fn test(&self) {
+        3i32.test();
+        Foo::test(&4i32);
+        generic_function(5i32);
+    }
+}
+
+fn f() where i32: Foo { //~ WARNING trivial_bounds
+    let s = S;
+    3i32.test();
+    Foo::test(&4i32);
+    generic_function(5i32);
+}
+
+fn g() where &'static str: Foo { //~ WARNING trivial_bounds
+    "Foo".test();
+    Foo::test(&"Foo");
+    generic_function("Foo");
+}
+
+trait A {}
+
+impl A for i32 {}
+
+struct Dst<X: ?Sized> {
+    x: X,
+}
+
+struct TwoStrs(str, str) where str: Sized; //~ WARNING trivial_bounds
+
+fn unsized_local() where for<'a> Dst<dyn A + 'a>: Sized { //~ WARNING trivial_bounds
+    let x: Dst<dyn A> = *(Box::new(Dst { x: 1 }) as Box<Dst<dyn A>>);
+}
+
+fn return_str() -> str where str: Sized { //~ WARNING trivial_bounds
+    *"Sized".to_string().into_boxed_str()
+}
+
+fn use_op(s: String) -> String where String: ::std::ops::Neg<Output=String> {
+    //~^ WARNING trivial_bounds
+    -s
+}
+
+fn use_for() where i32: Iterator { //~ WARNING trivial_bounds
+    for _ in 2i32 {}
+}
+
+fn main() {}