1 files changed, 31 insertions, 0 deletions

diff --git a/tests/ui/issues/issue-69455.rs b/tests/ui/issues/issue-69455.rs
new file mode 100644
index 00000000000..a53aadcfad0
--- /dev/null
+++ b/tests/ui/issues/issue-69455.rs
@@ -0,0 +1,31 @@
+// Regression test for #69455: projection predicate was not satisfied.
+// Compiler should indicate the correct location of the
+// unsatisfied projection predicate
+
+pub trait Test<Rhs = Self> {
+    type Output;
+
+    fn test(self, rhs: Rhs) -> Self::Output;
+}
+
+impl Test<u32> for u64 {
+    type Output = u64;
+
+    fn test(self, other: u32) -> u64 {
+        self + (other as u64)
+    }
+}
+
+impl Test<u64> for u64 {
+    type Output = u64;
+
+    fn test(self, other: u64) -> u64 {
+        (self + other) as u64
+    }
+}
+
+fn main() {
+    let xs: Vec<u64> = vec![1, 2, 3];
+    println!("{}", 23u64.test(xs.iter().sum())); //~ ERROR: type annotations needed
+    //~^ ERROR type annotations needed
+}