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

compiler/testData/diagnostics/tests/callableReference/bound/controlFlow.fir.kt

@@ -0,0 +1,22 @@
+fun unusedExpression(s: String) {
+    s::hashCode
+    s::class
+}
+
+fun noUnusedParameter(s: String): Int {
+    val f = s::hashCode
+    return f()
+}
+
+fun unreachableCode(): Int {
+    (if (true) return 1 else return 0)::toString
+    return 0
+}
+
+fun unreachableCodeInLoop(): Int {
+    while (true) {
+        (break)::toString
+        return 1
+    }
+    return 2
+}