Add test for rust-lang#34792

Author: bugadani

Diff for: src/test/ui/associated-item/associated-item-two-bounds.rs

@@ -0,0 +1,16 @@
+// This test is a regression test for #34792
+
+// check-pass
+
+pub struct A;
+pub struct B;
+
+pub trait Foo {
+    type T: PartialEq<A> + PartialEq<B>;
+}
+
+pub fn generic<F: Foo>(t: F::T, a: A, b: B) -> bool {
+    t == a && t == b
+}
+
+pub fn main() {}