Better group RFC ui tests together

tests/ui/rfcs/rfc-2632-const-trait-impl/const-and-non-const-impl.rs

@@ -0,0 +1,31 @@
+// known-bug: #110395
+
+#![feature(const_trait_impl)]
+
+pub struct Int(i32);
+
+impl const std::ops::Add for i32 {
+    type Output = Self;
+
+    fn add(self, rhs: Self) -> Self {
+        self + rhs
+    }
+}
+
+impl std::ops::Add for Int {
+    type Output = Self;
+
+    fn add(self, rhs: Self) -> Self {
+        Int(self.0 + rhs.0)
+    }
+}
+
+impl const std::ops::Add for Int {
+    type Output = Self;
+
+    fn add(self, rhs: Self) -> Self {
+        Int(self.0 + rhs.0)
+    }
+}
+
+fn main() {}