[FIR-TEST] Add new testdata generated after changes in previous commit

compiler/testData/diagnostics/tests/generics/projectionsScope/projectedOutConventions.fir.kt

@@ -0,0 +1,14 @@
+// !WITH_NEW_INFERENCE
+// !DIAGNOSTICS: -UNUSED_PARAMETER
+
+class A<T> {
+    operator fun plus(x: T): A<T> = this
+    operator fun set(x: Int, y: T) {}
+    operator fun get(x: T) = 1
+}
+
+fun test(a: A<out CharSequence>) {
+    a + ""
+    a[1] = ""
+    a[""]
+}