Merging upstream version 1.68.2+dfsg1.

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

1 files changed, 26 insertions, 0 deletions

diff --git a/tests/ui/consts/const-eval/issue-50814.rs b/tests/ui/consts/const-eval/issue-50814.rs
new file mode 100644
index 000000000..374ed1d93
--- /dev/null
+++ b/tests/ui/consts/const-eval/issue-50814.rs
@@ -0,0 +1,26 @@
+// build-fail
+
+trait Unsigned {
+    const MAX: u8;
+}
+
+struct U8(u8);
+impl Unsigned for U8 {
+    const MAX: u8 = 0xff;
+}
+
+struct Sum<A, B>(A, B);
+
+impl<A: Unsigned, B: Unsigned> Unsigned for Sum<A, B> {
+    const MAX: u8 = A::MAX + B::MAX;
+    //~^ ERROR evaluation of `<Sum<U8, U8> as Unsigned>::MAX` failed
+}
+
+fn foo<T>(_: T) -> &'static u8 {
+    &Sum::<U8, U8>::MAX
+    //~^ constant
+}
+
+fn main() {
+    foo(0);
+}